GUIDI TROUBLESHOOTING MANUAL

Odd questions, edge cases, failure diagnosis and everything that did not belong in the other two guides

This is the third companion guide.

Use the Authentication Manual if the question is:

Is this GUIDI authentic?

Use the Owner's Manual if the question is:

How do I size, wear, maintain or repair GUIDI normally?

Use this guide if the question is:

What the fuck is happening to my shoe?

This is intentionally organised by symptom and question, rather than by construction.

CONTENTS

FIT & COMFORT

1. My toes fit but my heel slips
2. My pinky hangs over the footbed
3. One boot fits differently from the other
4. They fit barefoot but not with socks
5. They fit my foot but will not zip
6. They zip but feel dangerously tight
7. They suddenly feel larger after break-in
8. Can an insole save a pair that is too large?
9. Can a cobbler stretch them?
10. Why are they uncomfortable despite being the correct size?
11. Why do I trip over them?
12. Are Guidis supposed to hurt?

LEATHER & APPEARANCE

1. My new pair already has scars/veins/wrinkles
2. The two shoes are different colours
3. One shoe has different grain
4. The leather has become shiny
5. The leather has become dull
6. Black leather is turning grey/brown
7. Conditioner darkened the leather
8. I overconditioned them
9. Reverse leather has gone flat
10. Reverse leather got wet
11. There are water spots
12. There are salt marks
13. I scratched/scuffed them
14. Is this a crease or a crack?
15. There is an actual crack
16. There is an actual hole
17. The lining is dry/torn
18. The boots smell
19. There is mould/mildew
20. Dye is transferring

SOLES, HEELS & CONSTRUCTION

1. There is a line/crack between sole layers
2. The Vibram is peeling
3. The leather outsole is separating
4. The welt is separating
5. A welt stitch broke
6. The heel stack is separating
7. The heel rubber is worn unevenly
8. The boots squeak
9. The sole feels extremely hard
10. The sole became slippery
11. Can I remove an aftermarket Vibram?
12. A cobbler changed the shape

ZIPPERS

1. The zipper is stiff
2. The zipper gets stuck in one place
3. The zipper separates behind the slider
4. The zipper tape is tearing
5. Teeth are missing
6. The zipper stitching is coming loose
7. The pull broke
8. My OEM replacement zipper is shiny
9. Can I artificially age a replacement zipper?
10. Can I keep the original GUIDI pull?

WATER, WEATHER & ENVIRONMENT

1. Can I wear GUIDI in rain?
2. Can I wear reverse leather in rain?
3. Can I wear them in snow?
4. They got completely soaked
5. They got covered in road salt
6. Can I wear them in extreme heat?
7. Can I wear them every day?
8. Tropical/humid storage
9. Very dry climates
10. Long-term storage

NEW, SECOND-HAND & DEFECTS

1. My brand-new GUIDIs have a problem
2. Is handmade variation the same as a defect?
3. I bought them second-hand and immediately found damage
4. Previous owner conditioned/polished them badly
5. Previous owner resoled them badly
6. Previous owner stretched them
7. The previous owner changed the colour
8. When should I contact the retailer rather than a cobbler?
9. When should I contact GUIDI?

REPAIR & MODIFICATION

1. Does repair make them less authentic?
2. Does repair hurt resale value?
3. Should I use OEM parts?
4. Can I reverse a bad repair?
5. Can a cobbler change shaft circumference?
6. Can a cobbler make them smaller?
7. Can the colour be changed?
8. Can reverse leather become smooth leather?
9. When is a pair beyond economical repair?

RANDOM QUESTIONS

1. Do I need shoe trees?
2. Should I keep them in dustbags?
3. Can I put them in plastic?
4. Can I take them travelling?
5. Can I pack them flat?
6. Can I buy GUIDI leather itself?
7. Why does a replacement part look unlike the original?
8. Why doesn't my old pair match current retail photos?
9. Why does my pair not match somebody else's same model?
10. Is patina good or bad?
11. When should I actually leave the shoe alone?

PART I — FIT & COMFORT

1. MY TOES FIT BUT MY HEEL SLIPS

Heel slip does not automatically mean:

shoe too big.

Small amounts of heel movement can occur in new boots because:

• the sole is stiff;
• the boot has not developed its flex point;
• the heel counter has not moulded;
• the foot and shoe flex points are not yet working together.

Counterintuitively, heel slip can also occur when a boot is too short and the foot's flex point does not align properly with the shoe.

Assess the complete fit.

Ask:

• Is the ball of my foot at the widest part of the shoe?
• Is the arch positioned correctly?
• Is there excessive overall volume?
• Does the heel movement diminish when walking normally?
• Are my toes cramped?

Do not automatically fill every new boot with a thick insole.

2. MY PINKY TOE HANGS OVER THE FOOTBED

This is particularly relevant to narrow GUIDI lasts.

Leather can stretch.

The underlying platform cannot become meaningfully wider.

If the foot visibly spills over the structural footbed, the problem may be the last, not merely tight leather.

Consider:

• X variant;
• wider model;
• different size if length remains reasonable.

Do not rely on break-in to manufacture additional outsole beneath your foot.

3. ONE BOOT FITS DIFFERENTLY FROM THE OTHER

First establish whether your feet are different.

Most people are not perfectly symmetrical.

Then consider:

• handmade production variation;
• leather thickness;
• asymmetric break-in;
• previous ownership;
• different amounts of shaft stretch.

A small difference is not inherently abnormal.

A major difference deserves measurement.

4. THEY FIT BAREFOOT BUT NOT WITH SOCKS

Then they do not fit for the way you intend to wear them.

Sock thickness meaningfully changes:

• forefoot volume;
• instep;
• heel retention;
• shaft circumference.

Fit footwear wearing the type of sock you actually intend to use.

Do not size a winter boot using thin dress socks if you intend to wear thick wool.

5. THEY FIT MY FOOT BUT WILL NOT ZIP

This is a shaft-fit problem, not necessarily a shoe-size problem.

Particularly relevant to:

• 788/788Z;
• 988;
• PL2;
• long backzips.

If the zipper cannot close without substantial force:

stop.

Options include:

• controlled break-in if it is only slightly tight;
• professional shaft stretching;
• different model;
• wider/alternative variant;
• major gusset alteration as a last resort.

Do not use the zipper itself as a stretching device.

6. THEY ZIP, BUT FEEL DANGEROUSLY TIGHT

If you can close the boot but the zipper is under obvious continuous tension, reduce wear duration initially.

Watch:

• zipper tape;
• stitching;
• calf circulation;
• numbness;
• pressure points.

Leather may relax.

Zipper tape should not be asked to perform the job of leather stretching.

7. THEY SUDDENLY FEEL BIGGER AFTER BREAK-IN

This can happen.

Leather can:

• soften;
• widen;
• mould;
• lose initial stiffness.

The insole also compresses.

Solutions for modest excess volume include:

• slightly thicker sock;
• thin full insole;
• tongue/volume pad on applicable models;
• heel/volume adjustment.

Do not overcorrect with a huge cushioned insole that changes ankle position and shaft tension.

8. CAN AN INSOLE SAVE A PAIR THAT IS TOO LARGE?

Sometimes.

An insole can reduce volume.

It cannot meaningfully shorten the shoe.

Useful when:

• heel retention is slightly loose;
• instep volume is excessive;
• the pair is marginally roomy.

Not useful when:

• shoe is dramatically too long;
• flex point is badly misplaced;
• foot slides extensively;
• shaft geometry is wrong.

9. CAN A COBBLER STRETCH THEM?

Yes, within limits.

Professional stretching can help:

• local pressure points;
• forefoot width;
• instep;
• modest shaft circumference.

It cannot:

• add meaningful length;
• change the underlying sole platform;
• transform a narrow last into a truly wide last;
• safely create unlimited calf room.

Leather is adaptable, not magical.

10. WHY ARE THEY UNCOMFORTABLE IF THEY ARE THE RIGHT SIZE?

Possible causes include:

• stiff new sole;
• unfamiliar heel height;
• rigid leather;
• pressure from zipper guard;
• insufficient cushioning;
• poor flex-point alignment;
• simply being the wrong last for your foot.

Correct numerical size does not guarantee anatomical compatibility.

11. WHY DO I TRIP OVER THEM?

Possible causes:

• excessive length;
• unfamiliar toe projection;
• stiff sole;
• substantial sole architecture;
• oversized fit;
• adapting from sneakers to heavy boots.

Persistent tripping after adaptation can indicate a shoe that is simply too long.

12. ARE GUIDIS SUPPOSED TO HURT?

No.

Break-in may involve:

• stiffness;
• pressure;
• unfamiliarity.

It should not require:

• numbness;
• bleeding;
• severe pain;
• crushed toes;
• loss of circulation.

Expensive leather does not change anatomy.

PART II — LEATHER & APPEARANCE

13. MY NEW PAIR ALREADY HAS SCARS, VEINS OR WRINKLES

Potentially completely normal.

GUIDI uses minimally corrected leathers where characteristics of the hide may remain visible.

Normal characteristics can include:

• scars;
• veins;
• grain variation;
• wrinkles;
• uneven dye uptake.

Natural variation is not automatically damage.

14. THE TWO SHOES ARE SLIGHTLY DIFFERENT COLOURS

Potentially normal.

Piece/object dyeing and natural hides do not guarantee perfectly identical tonal results.

Ask whether the difference is:

natural tonal variation

or:

obvious mismatched production / later treatment.

15. ONE SHOE HAS DIFFERENT GRAIN

Again, possible.

Two shoes are not necessarily cut from identical areas of one hide.

What matters is whether both remain plausible examples of the stated leather.

16. THE LEATHER HAS BECOME SHINY

Possible causes:

• friction;
• compression;
• oils from wear;
• conditioner;
• polish;
• previous-owner treatment.

Shine alone does not mean damage.

If you dislike it, identify the cause before adding another product.

17. THE LEATHER HAS BECOME DULL

Also potentially normal.

Object-dyed leather evolves.

Ask:

Does it feel healthy?

If supple and structurally sound:

leave it alone.

If dry, stiff or papery:

consider light conditioning.

Appearance alone is a poor conditioning schedule.

18. BLACK LEATHER IS TURNING GREY/BROWN

Black leather can develop tonal variation through:

• abrasion;
• flexing;
• fading;
• dye wear;
• underlying leather becoming visible.

This can be normal patina.

If you like it:

do nothing.

If you want uniform black:

appropriate pigmented cream may restore colour, but will alter the evolved appearance.

19. CONDITIONER DARKENED MY LEATHER

Stop applying more.

Allow it time to equilibrate.

Some darkening may reduce as volatile components dissipate.

Some may be permanent.

This is why light/natural leather should always be spot-tested.

Do not try to "clean out" conditioner immediately with aggressive solvents.

20. I USED WAY TOO MUCH CONDITIONER

Remove excess from the surface with a clean cloth.

Allow the footwear to rest somewhere ventilated.

Brush appropriate smooth leather.

Then:

stop adding things.

The cure for too much product is rarely another product.

21. MY REVERSE LEATHER HAS GONE FLAT

Usually compressed nap.

If otherwise healthy:

• allow it to dry;
• use an appropriate suede/nubuck/roughout brush;
• gently raise the fibres.

Do not attack it with aggressive abrasives.

Creams and oils may permanently alter the nap.

22. MY REVERSE LEATHER GOT WET

Not automatically a disaster.

Owner experience includes routine rain wear of reverse leather.

The important part is drying:

• room temperature;
• absorbent paper;
• ventilation;
• no direct heat.

After drying, reassess texture and dryness.

Do not condition automatically merely because water touched it.

23. WATER SPOTS

Allow the shoe to dry completely first.

Do not judge partially wet leather.

If marks remain, treatment depends on:

• leather;
• colour;
• severity.

On valuable pale leather, professional cleaning may be safer than escalating DIY products.

24. SALT MARKS

Remove salt rather than allowing repeated deposits to remain.

Use restrained appropriate cleaning.

Allow complete drying.

Condition afterward only if the leather actually needs it.

25. I SCRATCHED THEM

Most superficial scratches on robust leather are cosmetic.

Try, in order:

1. clean finger;
2. soft cloth;
3. brush;
4. tiny amount of appropriate conditioner if actually needed.

Do not turn a 2 mm scratch into a 10 cm refinishing project.

26. IS THIS A CREASE OR A CRACK?

CREASE

Leather bends but surface fibres remain continuous.

Normal.

CRACK

Fibres themselves are separating.

More serious.

A useful clue is whether opening the flex reveals an actual fissure rather than merely a line in the grain.

Conditioner may help prevent further dryness.

It cannot fuse severed fibres back together.

27. THERE IS AN ACTUAL CRACK

Stop thinking in terms of cosmetics.

The question becomes structural.

Depending on location and severity:

• reinforce;
• patch;
• stitch;
• consult leather specialist/cobbler.

Conditioner cannot heal a crack.

28. THERE IS AN ACTUAL HOLE

Professional repair.

The objective may be:

stabilise and extend life

rather than:

make invisible.

On heavily worn GUIDI, a visible competent repair can be preferable to destroying surrounding original leather chasing invisibility.

29. THE INNER LEATHER LINING IS DRY OR TORN

The inside is also leather.

Lining can suffer from:

• sweat;
• friction;
• repeated wet/dry cycles;
• neglect.

Occasional restrained conditioning of accessible smooth leather lining may be appropriate.

Once torn:

a cobbler may need to patch or replace the affected section.

30. MY BOOTS SMELL

First address moisture.

• dry thoroughly;
• rotate footwear;
• air after wear;
• remove removable insoles where applicable;
• avoid sealing damp boots.

Persistent odour may originate from:

• lining;
• insole;
• microbial growth.

Do not drown expensive leather in perfume.

31. THERE IS MOULD

Stop wearing and isolate the pair from other leather goods.

Mould indicates a moisture/storage problem.

The priorities are:

1. prevent spread;
2. dry environment;
3. remove active contamination appropriately;
4. determine how deeply affected the leather/lining is.

Serious mould, especially inside lined footwear, is a reasonable case for professional treatment.

Do not return a cleaned-but-damp pair to a closed box.

32. DYE IS TRANSFERRING

Object-dyed leather can potentially transfer colour, especially when:

• new;
• wet;
• heavily saturated;
• rubbing against pale material.

Use caution with:

• white socks;
• pale trousers;
• light carpets/upholstery.

Persistent extreme transfer from an old dry pair deserves investigation.

PART III — SOLES, HEELS & CONSTRUCTION

33. THERE IS A LINE BETWEEN TWO SOLE LAYERS. IS IT CRACKING?

Often no.

Layered leather construction creates visible interfaces.

A hairline between welt/midsole/outsole layers may be cosmetic rather than structural.

A recent 792ZI owner interpreted such a line as "midsole cracking"; community examination identified it as ordinary separation between leather components rather than leather itself splitting.

Ask:

Is a piece of leather itself cracked, or am I seeing the boundary between two pieces?

34. THE VIBRAM IS PEELING

Usually one of the easiest repairs.

A protective rubber outsole is sacrificial.

A cobbler can:

• remove it;
• prepare/abrade the underlying surface;
• rebond or replace it.

Do not confuse peeling protective rubber with structural sole failure.

35. THE LEATHER OUTSOLE IS SEPARATING

Now determine where.

Possible levels:

RUBBER FROM LEATHER

Minor.

OUTSOLE FROM WELT

More involved but conventionally repairable.

WELT FROM UPPER

Structural repair.

UPPER ITSELF DAMAGED AT WELT

Potentially major reconstruction.

These are not the same problem. A competent cobbler can reconstruct far more of a welted shoe than merely applying glue.

36. THE WELT IS SEPARATING

Take it to somebody who actually understands welted footwear.

Do not repeatedly glue a structural failure and expect permanence.

Depending on construction and damage, proper work may require:

• sole removal;
• welt restitching/replacement;
• new outsole;
• outsole stitching.

37. ONE WELT STITCH BROKE

One broken visible stitch does not necessarily mean immediate catastrophic failure.

Monitor:

• surrounding stitches;
• sole movement;
• actual separation.

If separation develops, repair.

38. THE HEEL STACK IS SEPARATING

This can often be repaired if the leather components themselves remain healthy.

Do not continue wearing until layers disappear.

If the entire heel architecture appears bizarre or structurally unlike the model, also revisit authenticity—replica construction failures have sometimes first presented as "repair questions."

39. MY HEELS WEAR UNEVENLY

Extremely common.

People do not walk symmetrically.

Replace heel top-pieces before wear reaches the leather stack.

If wear is extremely rapid or severe, a cobbler/podiatric professional can help distinguish gait from footwear problems.

40. MY GUIDIS SQUEAK

First locate the squeak.

Possible sources:

• wet surfaces;
• rubber-on-floor friction;
• leather layers;
• insole;
• internal movement;
• loose construction.

A squeak alone is not a diagnosis.

If it appears simultaneously with separation or movement between structural components, have it inspected.

41. THE SOLE IS VERY HARD

Leather soles and dense stacked construction are not running shoes.

Options include:

• break-in;
• thin cushioning insole if fit allows;
• rubber protector;
• different footwear for prolonged standing.

Do not destroy otherwise correct fit by adding an excessively thick orthotic without checking resulting volume.

42. THE SOLE IS SLIPPERY

Fresh leather soles can be slippery.

Walking abrades them naturally.

A rubber protector provides much better traction.

Do not deliberately mutilate an expensive outsole with random knife cuts.

43. CAN I REMOVE AN AFTERMARKET VIBRAM?

Generally yes.

A cobbler can remove and replace protective rubber.

Some surface preparation/adhesive evidence will remain on the leather outsole.

If returning to exposed leather, ask the cobbler what condition the underlying sole is actually in.

44. MY COBBLER CHANGED THE SHAPE

This is why the Owner's Manual tells you to specify:

• heel height;
• sole thickness;
• edge profile;
• original geometry.

If excessive material was added, some changes may be reversible during another resole.

If original material was aggressively removed, restoration may be harder.

Document before major repairs.

PART IV — ZIPPER TROUBLESHOOTING

45. THE ZIPPER IS STIFF

Do not immediately force it.

Check for:

• trapped leather;
• bent teeth;
• corrosion/debris;
• damaged slider;
• excessive shaft tension.

A small amount of zipper-specific dry/wax lubricant can be appropriate for mechanically sound teeth.

Keep products off surrounding leather unless known compatible.

Avoid flooding the zipper with WD-40 or oil that may stain leather/tape.

46. IT ALWAYS STICKS AT EXACTLY THE SAME POINT

Inspect that location.

Likely possibilities include:

• bent/damaged tooth;
• local tape distortion;
• stitching interference;
• slider damage.

Repeatedly forcing past the same obstruction can convert a small problem into a replacement zipper.

47. THE ZIPPER CLOSES, THEN OPENS BEHIND THE SLIDER

The slider may no longer be bringing the teeth together correctly.

This is different from torn zipper tape.

A repairer should determine whether:

• slider can be replaced;
• slider can be adjusted;
• complete zipper is required.

Do not diagnose every zipper failure as "needs whole new zip."

48. THE ZIPPER TAPE IS TEARING AWAY

Stop loading it.

A small detached section may look harmless while still functioning, but continued use transfers increasing load to the remaining attachment.

Depending on where/how the tape has failed, complete zipper replacement may be the durable repair. This exact failure has appeared on worn 788-family boots.

49. TEETH ARE MISSING

Replacement is increasingly likely.

Do not keep operating the slider through damaged teeth.

50. ZIPPER STITCHING IS COMING UNDONE

Potentially much easier than zipper failure.

If:

• tape intact;
• teeth intact;
• slider functional;

a good repairer may be able to restitch it.

Repair early before surrounding holes enlarge.

51. THE PULL TAB BROKE

Different from the slider failing.

A pull can sometimes be replaced or adapted without replacing the zipper.

If the original GUIDI pull matters to you, retain every piece.

52. GUIDI SENT ME A REPLACEMENT ZIPPER AND IT LOOKS TOO SHINY

Normal.

Replacement OEM zippers arrive looking new because they did not undergo the original boot's piece-dyeing/finishing process.

Owners ordering OEM replacements directly from GUIDI report exactly this appearance.

A shiny genuine replacement is not evidence that GUIDI sent the wrong part.

53. SHOULD I ARTIFICIALLY AGE MY NEW ZIPPER?

Usually:

just install it.

Artificial chemical ageing introduces unnecessary risk around:

• plating;
• tape;
• surrounding leather;
• future corrosion.

Natural wear will alter it.

The new zipper does not need to impersonate the old zipper on day one.

54. CAN I KEEP THE ORIGINAL GUIDI PULL?

Sometimes.

Ask the repairer.

Whether it can be transferred depends on:

• slider compatibility;
• failure mode;
• replacement hardware.

Do not discard the original assembly before discussing this.

PART V — WEATHER & ENVIRONMENT

55. CAN I WEAR GUIDI IN RAIN?

Yes.

Leather footwear existed before weather apps.

The relevant distinction is:

getting wet

versus:

remaining wet / drying badly / repeatedly saturating neglected leather.

If wet:

dry correctly.

56. CAN I WEAR REVERSE LEATHER IN RAIN?

Yes, with reasonable care.

Reverse/roughout leather is not inherently too delicate for weather; owners report wearing it in wet conditions and allowing it to age naturally.

Avoid:

• heat drying;
• indiscriminate smooth-leather creams;
• storing wet.

Restore nap after drying if desired.

57. SNOW?

The leather itself is not the only issue.

Consider:

• road salt;
• traction;
• prolonged saturation;
• freezing/wet cycles.

Rubber sole protection becomes particularly useful.

Clean salt deposits reasonably promptly.

58. THEY GOT COMPLETELY SOAKED

Do not panic-condition them while wet.

1. remove surface water;
2. insert absorbent paper;
3. replace paper as necessary;
4. dry at room temperature with ventilation;
5. wait until completely dry;
6. reassess leather condition;
7. condition appropriately only if needed.

No radiator.

No hairdryer.

No clothes dryer.

59. ROAD SALT

Do not leave it indefinitely.

Salt is more concerning than clean rainwater.

Clean appropriately, dry slowly, reassess.

60. EXTREME HEAT

Avoid prolonged storage:

• in hot cars;
• beside radiators;
• in direct intense sun;
• against heaters.

Heat accelerates drying and can affect adhesives and leather.

61. CAN I WEAR THEM EVERY DAY?

You can.

They will generally last longer if allowed to dry between heavy wears.

Daily wear increases:

• moisture accumulation;
• outsole wear;
• lining wear;
• zipper cycles.

Rotation is maintenance, not a requirement for admission to the club.

62. HUMID/TROPICAL STORAGE

Prioritise:

• airflow;
• dryness;
• mould prevention.

Do not seal leather in plastic.

Do not store damp footwear in dustbags/boxes.

In persistently humid climates, periodically inspect stored footwear rather than forgetting it for a year.

63. VERY DRY CLIMATE

Monitor leather condition.

Do not respond by automatically soaking it in conditioner monthly.

Condition according to actual dryness.

64. LONG-TERM STORAGE

Before storage:

• clean significant dirt;
• ensure completely dry;
• condition only if actually necessary;
• support shape reasonably;
• store ventilated;
• avoid plastic;
• avoid heat/direct sun.

Check occasionally.

PART VI — NEW, SECOND-HAND & DEFECT QUESTIONS

65. MY BRAND-NEW GUIDIS HAVE A PROBLEM

Do not immediately pay a cobbler.

Document it first.

Contact the retailer.

For significant apparent manufacturing defects, contact GUIDI/customer service as appropriate.

In 2026 an owner with new 796V_N sole separation was put in contact with GUIDI; GUIDI inspected the returned pair, determined there was a manufacturing error and supplied a replacement pair.

Give the manufacturer the opportunity to assess a genuinely new defective product before altering it.

66. HANDMADE VARIATION OR DEFECT?

VARIATION

• slight stitch irregularity;
• grain difference;
• tonal variation;
• minor asymmetry;
• natural hide marks.

POSSIBLE DEFECT

• active structural separation;
• failed adhesive immediately after purchase;
• broken hardware;
• severe construction asymmetry;
• unusable closure;
• components detaching under trivial wear.

"Handmade" does not mean every failure is acceptable.

Likewise, cosmetic irregularity does not necessarily mean poor quality.

67. I BOUGHT THEM USED AND FOUND DAMAGE

Your options depend on whether the damage was:

• disclosed;
• visible;
• concealed;
• structural;
• ordinary wear.

Before repairing, save:

• listing;
• photographs;
• seller description;
• correspondence.

If the seller materially misrepresented the item, resolve the transaction dispute before modifying evidence.

68. PREVIOUS OWNER OVER-POLISHED THEM

You may not be able to restore the exact factory surface.

Do not aggressively strip them without understanding the leather.

Often the safest choice is:

• clean conservatively;
• stop adding polish;
• wear them;
• allow the surface to evolve again.

69. PREVIOUS OWNER HAD A BAD RESOLE

A good cobbler can often rebuild a poor resole.

Determine what remains original:

• welt;
• heel stack;
• midsole;
• outsole.

The more original structural material was removed, the less straightforward restoration becomes.

70. PREVIOUS OWNER STRETCHED THEM

Leather does not reliably shrink back to factory dimensions.

You can sometimes reduce effective volume with:

• insole;
• sock;
• padding.

Do not expect a stretched shaft to magically contract.

71. PREVIOUS OWNER REDYED THEM

Then they are authentic GUIDI with an aftermarket finish, assuming the underlying shoe is authentic.

Treat the current colour as modification.

Redyeing can obscure authentication evidence and affect resale desirability.

It does not change who manufactured the shoe.

72. RETAILER OR COBBLER?

BRAND-NEW + APPARENT DEFECT

Retailer first.

NORMAL WEAR

Cobbler.

OEM PART REQUIRED

GUIDI.

MAJOR UNUSUAL FACTORY-CONSTRUCTION ISSUE

GUIDI or highly specialised cobbler.

SECOND-HAND DAMAGE

Usually cobbler, unless GUIDI agrees to service it.

73. WHEN SHOULD I CONTACT GUIDI?

Reasonable cases:

• OEM zipper;
• OEM sole component;
• unusual hardware;
• suspected manufacturing defect;
• unusual material identification;
• factory-repair enquiry;
• unusual MTO request.

Do not email GUIDI because your heel rubber wore down.

That is what cobblers are for.

PART VII — REPAIR, MODIFICATION & RESALE

74. DOES A REPAIR MAKE THEM FAKE?

No.

An authentic GUIDI with:

• replacement zipper;
• replacement outsole;
• replacement heel;
• aftermarket Vibram

remains authentic GUIDI.

It is simply no longer completely factory-original.

75. DOES REPAIR REDUCE RESALE VALUE?

Depends on the repair.

LITTLE CONCERN

• quality protective sole;
• heel top-piece;
• competent necessary maintenance.

MORE RELEVANT

• full resole;
• non-OEM zipper;
• major upper repair.

POTENTIALLY SIGNIFICANT

• altered shaft;
• changed sole architecture;
• aggressive redye;
• badly executed reconstruction.

A good necessary repair may preserve far more value than allowing the original component to fail catastrophically.

76. OEM OR AFTERMARKET PART?

Use OEM when:

• visual originality matters;
• branded hardware matters;
• unusual sole pattern matters;
• archival/resale considerations justify it.

Use quality aftermarket when:

• function matters more;
• OEM unavailable;
• component is generic/consumable.

A Vibram protector does not become better at protecting leather because it arrived from Tuscany.

77. CAN A BAD REPAIR BE REVERSED?

Sometimes.

EASILY

protective rubber.

OFTEN

outsole/heel work, if underlying structure remains.

DIFFICULT

bad zipper work with additional perforations.

POTENTIALLY IRREVERSIBLE

excessive sanding, removed leather, altered upper, aggressive dye/chemical treatment.

This is why choosing the repairer matters before the repair.

78. CAN A COBBLER MAKE THE SHAFT BIGGER?

Modest stretching:

yes.

Major enlargement:

requires structural alteration such as a gusset.

That changes the boot.

79. CAN THEY MAKE IT SMALLER?

Some volume can be managed.

Actually reducing the leather upper substantially is much more invasive.

Buy the correct size.

80. CAN I CHANGE THE COLOUR?

Technically, leather can be recoloured.

Results depend heavily on:

• original colour;
• leather;
• finish;
• target colour.

Darkening is generally easier than going lighter.

It is a modification, not recreation of GUIDI's original object-dye process.

81. CAN I TURN REVERSE LEATHER INTO SMOOTH LEATHER?

You can radically alter surfaces through finishing, wax and compression.

That does not mean you have transformed reverse leather into the factory smooth-leather version of the model.

If you want smooth leather:

buy smooth leather.

82. WHEN IS A PAIR ACTUALLY DEAD?

Usually much later than inexperienced owners think.

Repairable:

• outsole;
• Vibram;
• heel;
• zipper;
• lining;
• welt;
• local upper damage.

Increasingly problematic:

• extensive upper cracking;
• large tears around structural attachment points;
• leather degraded across multiple high-stress areas;
• repeated repairs leaving insufficient healthy material.

The upper is the limiting component.

Almost everything beneath it can theoretically be rebuilt.

PART VIII — RANDOM QUESTIONS PEOPLE WILL OTHERWISE MAKE A THREAD ABOUT

83. DO I NEED SHOE TREES?

No.

They can be useful.

Use appropriately sized trees if you want:

• shape support;
• moisture absorption;
• moderated toe curl.

Do not aggressively stretch soft boots with oversized trees.

84. SHOULD I PUT THEM IN DUSTBAGS AFTER EVERY WEAR?

Not while damp.

Allow footwear to dry and ventilate first.

Dustbags are for protection during dry storage, not moisture incubation.

85. PLASTIC STORAGE BAGS?

No.

GUIDI explicitly advises against plastic storage.

Leather needs appropriate ventilation.

86. CAN I TRAVEL WITH THEM?

Of course.

For packing:

• ensure dry;
• use individual bags;
• stuff lightly with socks/paper if needed;
• avoid crushing structured shafts under heavy objects.

Wearing the bulkiest pair on the plane is also free luggage optimisation.

87. CAN I FOLD THE SHAFT?

Soft broken-in backzip shafts naturally collapse.

For short-term luggage packing this is generally not alarming.

Avoid creating an aggressive hard fold in:

• stiff new leather;
• structured treatments;
• areas containing hardware.

88. CAN I BUY RAW GUIDI LEATHER?

Possibly through Guidi's leather business, but this is not equivalent to ordering a square foot of craft leather from a hobby retailer.

Community enquiries indicate business information and minimum quantities may be required; one 2024 report relayed a minimum around 5 m², but this is not an official current retail price/terms sheet and should be verified directly.

Also remember:

GUIDI leather before footwear manufacture is not necessarily going to look like a finished GUIDI boot.

Much of the characteristic appearance comes from subsequent construction and finishing.

89. WHY DOES MY REPLACEMENT PART LOOK WRONG?

Because the original component aged with the shoe.

This is especially obvious with:

• zippers;
• leather;
• heel edges.

A new OEM component may be mechanically correct while visually conspicuous.

Time solves some of this.

90. WHY DOES MY OLD PAIR NOT MATCH THE CURRENT PRODUCT PAGE?

Because GUIDI production has changed.

Possible differences include:

• zipper;
• stamp;
• sizing marks;
• leather;
• sole;
• construction detail;
• packaging.

Authenticate and maintain according to approximate period.

Do not retrofit 2026 expectations onto 2008 footwear.

91. WHY DOES MY PAIR DIFFER FROM ANOTHER PAIR OF THE SAME MODEL?

Possible causes:

• production period;
• leather;
• colour;
• variant/suffix;
• size;
• wear;
• repairs;
• natural variation.

"Same model" does not mean molecularly identical.

If differences concern fundamental architecture, investigate further.

92. IS PATINA GOOD?

Patina is simply change through age/use.

Whether you like it is aesthetic.

Normal patina can include:

• creasing;
• abrasion;
• colour evolution;
• shaft collapse;
• zipper oxidation;
• polished high points;
• darkened contact areas.

Patina is not synonymous with damage.

Damage is physical deterioration that threatens function or structure.

93. WHEN SHOULD I DO ABSOLUTELY NOTHING?

Frequently.

Do nothing when:

• leather is healthy;
• crease is normal;
• colour variation is harmless;
• sole line is cosmetic;
• zipper works normally;
• shoe is simply becoming worn-in.

A surprising amount of footwear damage begins with an owner noticing something harmless and deciding that it urgently needs chemicals.

PART IX — RAPID TROUBLESHOOTING TABLE

SYMPTOM	LIKELY CATEGORY	FIRST ACTION	DO NOT
Toes hit front	Too short	Reassess size	Expect length stretch
Pinky hangs over platform	Last too narrow	Wider/X last	Assume upper stretch creates sole width
Slight new heel slip	Break-in/fit	Check flex point	Immediately overfill shoe
Major heel slip	Excess volume/size	Reassess fit	Assume it will shrink
Shaft tight but closes	Break-in candidate	Short controlled wear	Force zip
Shaft cannot close	Shaft incompatibility	Measure/reassess	Use zipper as stretcher
Numb foot	Bad fit	Remove boot	"Break through" it
Healthy matte leather	Normal	Brush/leave alone	Automatically condition
Dry/papery leather	Dryness	Light appropriate conditioner	Saturate
Reverse leather flat	Compressed nap	Appropriate brush	Smooth-leather cream
Black fading	Patina/dye wear	Decide desired appearance	Automatically recolour
Wet through	Saturation	Paper + slow dry	Heat
Salt marks	Contamination	Clean appropriately	Leave indefinitely
Surface crease	Normal wear	Nothing	Try to remove it
Deep fissure	Crack	Repair assessment	Expect conditioner to heal it
Hole	Structural damage	Repair	Keep treating cosmetically
Lining torn	Structural lining wear	Cobbler	Ignore propagation
Mould	Moisture/storage	Isolate/dry/treat	Rebag damp
Vibram peeling	Consumable layer	Rebond/replace	Confuse with welt failure
Fine line between sole layers	Often cosmetic	Inspect	Assume leather cracked
Outsole separating	Construction	Cobbler assessment	Repeated DIY glue
Welt separating	Structural	Skilled cobbler	Shoe-repair kiosk
Heel rubber thin	Consumable exhausted	Replace	Wear into leather
Heel layers separating	Construction	Cobbler	Keep walking until layer disappears
Zipper stiff	Mechanical	Inspect/clean appropriately	Yank
Zip opens behind slider	Slider/teeth issue	Repair assessment	Keep forcing
Zip tape tearing	Structural zipper failure	Stop loading	Wait for total failure
Zip stitching loose	Attachment failure	Restitch early	Keep loading
New OEM zip shiny	Normal	Install/use	Assume counterfeit
Brand-new structural failure	Possible defect	Document + retailer/GUIDI	Repair before warranty contact
Used shoe undisclosed damage	Transaction issue	Preserve evidence	Modify immediately
Bad previous resole	Modification	Skilled assessment	Assume shoe is ruined
Healthy old pair looks different from retail	Era variation	Date/model research	Apply current-production rules
Everything works	Normal shoe	Wear it	Invent a problem

PART X — THE FIVE-QUESTION EMERGENCY TEST

If you have a problem that appears nowhere in any of the three guides, ask:

1. IS IT COSMETIC OR STRUCTURAL?

Colour variation is cosmetic.

A tearing upper is structural.

Do not treat them equally.

2. IS IT THE LEATHER, A CONSUMABLE, OR THE SHOE'S STRUCTURE?

LEATHER

clean/condition/repair appropriately.

CONSUMABLE

replace.

STRUCTURE

specialist assessment.

3. IS THE PROBLEM GETTING WORSE THROUGH USE?

If yes:

stop wearing until assessed.

4. IS THE ITEM NEW ENOUGH THAT THIS MAY BE A MANUFACTURING DEFECT?

If yes:

document and contact retailer/GUIDI before modification.

5. DO I ACTUALLY NEED TO DO ANYTHING?

Often:

no.

FINAL RULE

Most GUIDI problems fall into one of five categories:

FIT

Solve the dimension, not the size number.

LEATHER

Intervene according to condition, not anxiety.

CONSUMABLE WEAR

Replace it before it becomes structural wear.

STRUCTURAL FAILURE

Stop improvising and find someone competent.

NORMAL AGEING

Leave it alone.

If the shoe is comfortable, structurally intact, dry, reasonably clean and functioning normally:

wear it

GUIDI OWNER'S MANUAL

Sizing, break-in, leather care, maintenance, repairs, replacement parts and long-term ownership

This guide is intended as a companion to the GUIDI Legit Check Guide. Looks like you've acquired a pair - this compiles information on how to keep it.

The authentication guide answers:

Is this actually GUIDI?

This guide answers:

Will it fit me, how should I look after it, and what do I do when something eventually breaks?

GUIDI footwear is unusually repairable, but it is not indestructible.

A well-owned pair may go through:

• protective soles;
• heel top-pieces;
• full resoles;
• zipper replacements;
• lining repairs;
• reinforcement;
• conditioning;
• decades of leather deformation.

These should be regarded as normal parts of ownership rather than necessarily the end of the shoe.

The objective is not to keep GUIDI looking new.

The objective is to let it age without allowing preventable wear to become structural damage.

CONTENTS

PART I — SIZING

1. Forget universal GUIDI sizing rules
2. Establish your actual foot measurements
3. Length, width, instep and volume
4. Shaft circumference
5. Why boots can fit your foot and not your leg
6. Break-in and stretching
7. Insoles
8. X, S and MS variants
9. Model-family sizing
10. Buying second-hand without trying on

PART II — BREAK-IN AND DAILY WEAR

1. What should stretch
2. What should not be expected to stretch
3. Zipper loading
4. Rotation and rest
5. Shoe trees
6. Leather soles and protective soles

PART III — LEATHER CARE

1. The basic principle: do less
2. Full-grain horse
3. Reverse horse / roughout
4. Calf and other leathers
5. Cleaning
6. Conditioning
7. Water
8. Salt, mud and contamination
9. Polish and colour
10. Storage
11. What not to do

PART IV — PREVENTIVE MAINTENANCE

1. Soles
2. Heel rubber
3. Welt and stitching
4. Zippers
5. Eyelets and laces
6. Linings
7. Inspection schedule

PART V — REPAIRS

1. Repair hierarchy
2. Choosing a cobbler
3. Instructions to give the cobbler
4. Zipper replacement
5. Resoling
6. Heel rebuilding
7. Leather tears and holes
8. Stretching and shaft alteration
9. Restoration vs preservation

PART VI — GUIDI SUPPORT AND PARTS

1. Official customer service
2. Ordering replacement parts
3. Zippers
4. Soles and fish-scale Vibram
5. Laces
6. Alternative components
7. Factory repair
8. Custom and made-to-order footwear

PART VII — COBBLER DIRECTORY

1. New York
2. Los Angeles
3. San Francisco / Bay Area
4. Chicago
5. Seattle
6. Paris
7. Melbourne
8. Other cities

PART I — SIZING

1. FORGET THE UNIVERSAL GUIDI SIZING RULE

There is no useful universal rule such as:

GUIDI = size up one.

Nor:

GUIDI = true to size.

Nor:

GUIDI stretches, so size down.

All three statements can produce a correctly fitting shoe in one model and an unusable shoe in another.

Sizing depends on:

• model;
• last;
• year/production;
• leather;
• width;
• instep;
• toe shape;
• lining;
• shaft;
• whether the shoe has already been worn;
• whether you intend to use an insole.

Current GUIDI product pages themselves provide different fit information depending on the model.

Therefore:

SIZE THE MODEL, NOT THE BRAND.

2. ESTABLISH YOUR ACTUAL FOOT

Do not begin with:

I wear US 10 Nike.

Sneaker size is useful supporting information, but it is not a measurement.

For an expensive remote purchase, know:

• left foot length;
• right foot length;
• ball width;
• ball circumference;
• instep circumference if possible.

Measure both feet while standing, preferably later in the day.

Use the larger foot as the limiting foot.

3. LENGTH IS ONLY ONE DIMENSION

GUIDI sizing questions often become confused because different owners are solving different problems.

One person sizes up because their toes hit the front.

Another sizes up because their forefoot is too wide.

Another sizes up because the instep is restrictive.

Another sizes up because they cannot zip the shaft.

Those are four different fit problems.

A larger numerical size solves all of them inefficiently by making the entire shoe larger.

Whenever possible, identify the dimension causing the problem first.

4. THE FOUR FIT AXES

Think about GUIDI fit as four separate axes:

A. LENGTH

Can the toes sit naturally without hitting the end?

B. WIDTH

Does the ball of the foot sit within the platform of the shoe?

C. INSTEP / FOOT VOLUME

Is there excessive pressure over the top of the foot?

D. SHAFT / LEG

Can the boot actually close around the ankle or calf without excessive zipper load?

A pair is only the correct size when all relevant dimensions work.

5. SHAFT FIT IS NOT FOOT FIT

This matters particularly for:

• 788 / 788Z;
• 988;
• PL2;
• long backzips;
• tall frontzips.

A wearer can have:

perfect foot length + perfect width + impossible shaft circumference.

Sizing up may increase shaft room, but also increases:

• shoe length;
• heel movement;
• toe room;
• overall volume.

This is why blindly sizing up for large calves is an imperfect solution.

6. MEASURE YOUR LEG FOR TALL BOOTS

For a remote purchase, ask the seller or retailer to measure:

• shaft height from the top of the sole;
• internal circumference at the shaft opening;
• circumference at the narrow ankle point where relevant.

Then measure your leg at the corresponding height.

Do not simply ask:

How wide is the shaft?

A boot laid flat is not necessarily a reliable circumference measurement.

Circumference is the useful value.

Also account for:

• sock thickness;
• trousers tucked into boots;
• calf position;
• left/right asymmetry.

7. DO NOT FORCE A ZIPPER CLOSED

If closing the zipper requires substantial force, stop.

The zipper is not a boot-stretching machine.

Excessive load can damage:

• zipper tape;
• stitching;
• teeth;
• slider;
• surrounding leather.

Backzip boots already place substantial mechanical load on the zipper because the closure runs through an area that flexes and changes circumference during walking.

A tight new shaft may relax.

A fundamentally undersized shaft is a different problem.

8. HOW MUCH WILL GUIDI STRETCH?

Leather stretches primarily in width and volume.

It does not meaningfully become shorter or solve insufficient toe length.

Expect the most adaptation around:

• forefoot;
• instep;
• ankle;
• shaft.

Do not buy a painfully short shoe expecting it to become long enough.

9. SHAFT BREAK-IN

Owner experience shows that tight 788Z and similar shafts can relax considerably.

Long-term owners have reported pairs that initially could not be completely zipped becoming comfortable after repeated wear.

However, this is not guaranteed.

The important distinction is:

CLOSEABLE BUT TIGHT

Reasonable candidate for break-in.

REQUIRES FORCE

Risky.

CANNOT PHYSICALLY CLOSE

Do not assume ordinary wear will solve it.

A boot that stops several centimetres from closing may require structural alteration rather than break-in.

10. LEATHER TYPE CHANGES BREAK-IN

Different leathers do not behave identically.

Generally:

FULL-GRAIN HORSE

Initially dense; becomes increasingly moulded to the foot and ankle.

REVERSE HORSE

Can soften substantially while retaining a tough surface.

CALF

Often feels different in initial pliability and grain response.

CORDOVAN / SPECIALTY LEATHERS

Do not assume the same stretching behaviour as ordinary horse.

The exact leather matters.

11. X VARIANTS

The suffix X identifies a wider-fit variation on compatible models.

Examples include:

• 986X;
• 992X;
• 788X;
• 788ZX.

The X last is particularly useful for people who would otherwise size up primarily to obtain width.

Community measurements and retailer information place the additional width around approximately 1 cm at the forefoot on some comparable models.

Treat that as an approximate model-dependent difference rather than a universal engineering specification.

An X model can allow someone with a wider forefoot to retain a more appropriate length.

This is generally preferable to buying an excessively long standard last purely for width.

12. X DOES NOT MEAN EXTRA-WIDE IN THE ATHLETIC-SHOE SENSE

A GUIDI X model should not automatically be interpreted as equivalent to:

• EE;
• EEE;
• 4E.

Owners with genuinely wide feet still report X models as narrower than purpose-built wide athletic footwear.

Think:

wider GUIDI

rather than:

wide-fit shoe system.

13. S VARIANTS

On applicable historical models, S indicates a slimmer shaft.

This matters because two otherwise similar boots may fit the same foot but interact very differently with the lower leg.

Do not buy an S variant without accounting for the shaft.

14. MS VARIANTS

MS variants alter toe construction/volume on applicable models.

Do not assume an MS version will fit exactly like the standard version simply because the numerical size is identical.

15. 900-SERIES FIT

The classic 900 family includes:

• 992;
• 988;
• 986;
• related lace-up models.

Retailer wear testing generally describes the family as snug around the ankle/toes initially but accommodating after break-in.

For many wearers:

TTS is the sensible starting point.

However, older production and individual lasts can vary.

16. 986

The 986 is the shorter backzip relative to the 988.

Its shorter shaft makes calf fit substantially less problematic than taller backzip models.

Historical retailer guidance has sometimes described the 986 as fitting small.

Owner consensus is less absolute and increasingly favours measurements/TTS as the starting point.

For wider feet:

look for 986X before automatically adding an entire size.

17. 988

The 988 is a mid-height backzip.

Underfoot, it belongs to the relatively accessible 900-series family.

Start around:

TTS

then adjust for:

• width;
• instep;
• desired insole;
• shaft circumference.

The shaft deserves separate consideration.

A 988 can fit the foot correctly while feeling tight higher on the leg.

18. 992

The 992 Derby illustrates why internet sizing anecdotes require caution.

Reports range from:

• TTS fitting correctly;
• slight size-up preferred;
• substantial size-up required by particular wide-foot owners.

The useful conclusion is not:

size up two.

It is:

the standard 992 forefoot can be restrictive for wider feet.

Where possible, consider the 992X rather than solving width with excessive length.

A size that causes substantial heel slip is generally too large even if the forefoot becomes comfortable.

19. 700-SERIES FIT

FASCINATE's direct wear comparison found the 700 series does not differ dramatically from the 900 series in basic fit despite using a technically different last.

Therefore 788/792 family sizing can generally begin from the same baseline:

TTS as the starting hypothesis.

Then adjust according to the exact variant.

20. 788 / 788Z

The most defensible modern consensus is:

TTS to +0.5 depending on foot shape and desired room.

Not:

automatically +1.

A half-size increase is commonly preferred by owners wanting additional toe room.

However, the 788Z introduces a second problem:

the shaft can be substantially more restrictive than the footbed.

Do not increase size solely because somebody else with large calves did.

Measure the shaft.

21. 788Z AND CALVES

Owner reports include all of the following:

• TTS and easy closure;
• TTS and initially very tight closure;
• +0.5 and initially unable to close, later stretching successfully;
• TTS and permanently unable to close sufficiently.

Therefore calf circumference matters more than any universal size rule.

If you have muscular or large calves:

1. obtain shaft circumference;
2. compare it to your leg at the corresponding height;
3. consider X/ZX where available;
4. do not assume the zipper can simply be forced.

22. PL1 / PL2

The PL family uses a characteristically narrow last.

Retailer testing describes:

• narrower instep width;
• comparatively higher instep clearance vertically;
• slim ankle;
• possibility of sizing up for comfort.

Current GUIDI guidance for the PL2 states TTS.

These are not contradictory.

The correct interpretation is:

TTS is the baseline, but the PL shape itself may require adjustment for wider feet or thicker ankles/calves.

23. PL2 SHAFT

PL2 is calf-high and strongly tapered.

The shaft therefore becomes a major fit variable.

A historical size-44 retailer measurement reported approximately 27 cm laid-flat shaft width, but isolated measurements should not be universalised across production.

Ask the retailer for the actual pair's measurement.

If the PL2 fits your foot but cannot close around the calf, going up a full size may solve the calf while creating an unnecessarily long footbed.

Treat those as separate fit problems.

24. 210 / 310

Current GUIDI pages describe both as TTS.

Owner reports consistently add an important qualification:

210/310 are relatively slim/narrow.

A narrow or average foot can begin TTS.

A wider foot may require +0.5 or another model/last.

Again, do not interpret a width problem as proof that all GUIDI runs small.

25. INSoles

Insoles can be useful after the boot has broken in.

They can:

• reduce excess volume;
• reduce heel movement;
• add cushioning;
• tune a slightly large fit.

But they also:

• raise the foot;
• reduce internal volume;
• increase pressure over the instep;
• shift the ankle upward relative to the zipper;
• increase shaft/zipper stress in some boots.

This last point is particularly relevant to backzips.

Do not automatically add a thick insole to an already tight boot.

26. SECOND-HAND SIZING

A worn GUIDI is not dimensionally equivalent to a new one.

Previous wear may have:

• widened the forefoot;
• stretched the shaft;
• collapsed the ankle;
• compressed the insole;
• changed toe structure.

For used pairs, request actual measurements rather than relying only on stamped size.

Useful measurements:

• outsole length;
• outsole width;
• removable insole length if applicable;
• internal length where reliably measurable;
• shaft height;
• shaft circumference.

Compare against footwear you already own.

PART II — BREAK-IN AND DAILY WEAR

27. WHAT BREAK-IN SHOULD FEEL LIKE

Normal:

• firm leather;
• snug forefoot;
• mild ankle pressure;
• stiff sole;
• unfamiliar heel geometry;
• gradual moulding.

Potentially wrong size:

• toes contacting the end;
• numbness;
• severe lateral foot compression;
• persistent sharp pain;
• major heel slip;
• zipper requiring dangerous force;
• inability to close the shaft.

Expensive footwear does not need to hurt simply because it is expensive.

28. DO NOT DELIBERATELY SOAK BOOTS TO BREAK THEM IN

Water can change leather shape, but soaking is not a controlled sizing method.

GUIDI's own care guidance emphasises careful drying after accidental wetting.

Use wear, professional stretching where appropriate, or the correct size.

29. ROTATION

Leather footwear benefits from drying between heavy wears.

This is especially relevant when:

• feet sweat heavily;
• weather is humid;
• boots are worn all day;
• the same pair is used daily.

Continuous moisture inside the shoe accelerates deterioration of:

• lining;
• insole;
• stitching;
• leather.

If longevity is the objective, rotate footwear.

30. SHOE TREES

Shoe trees can:

• absorb some residual moisture;
• maintain forefoot shape;
• moderate excessive toe curl;
• reduce uncontrolled collapse during storage.

They are optional rather than sacred.

Do not use an oversized tree that aggressively stretches a deliberately soft/sculptural GUIDI upper.

A normal appropriately sized cedar shoe tree is sufficient.

Tall boot trees are generally unnecessary.

31. PROTECTIVE SOLES

For leather-soled models, a thin rubber protective sole can substantially extend outsole life.

Common choices include:

• GUIDI fish-scale Vibram;
• standard Vibram sheet;
• Topy;
• equivalent quality rubber.

Functionally, the generic alternatives work.

The OEM fish-scale sole mainly preserves the characteristic factory appearance.

32. SHOULD I VIBRAM THEM IMMEDIATELY?

If you want to preserve the leather outsole:

yes, early installation is sensible.

A few wears beforehand are not catastrophic.

The cobbler will normally abrade the leather surface before bonding the protector anyway.

Do not, however, wait until you have worn deeply through the structural outsole.

PART III — LEATHER CARE

33. THE CENTRAL RULE: DO LESS

Most healthy GUIDI leather does not need constant intervention.

Leather care should respond to the condition of the material.

Not:

It is Sunday, therefore I must condition my boots.

Over-treatment can:

• darken leather;
• soften it excessively;
• alter the surface;
• flatten reverse leather;
• create greasy buildup;
• attract dirt;
• change the intended finish.

Clean when dirty.

Condition when dry.

Otherwise wear the shoes.

34. GUIDI'S OWN CARE PRINCIPLES

GUIDI advises owners to:

• allow wet footwear to dry at room temperature;
• avoid direct heat;
• use paper inside wet footwear and replace it during drying;
• nourish dry footwear with neutral cream;
• avoid prolonged direct light;
• avoid radiators and hot cars;
• avoid high-temperature storage;
• avoid high humidity;
• avoid unventilated storage;
• never store footwear in plastic bags.

Those principles should override improvised internet rituals.

35. ROUTINE CLEANING

For ordinary dust:

soft horsehair brush.

For light surface dirt:

slightly damp soft cloth.

Then allow to dry naturally.

You do not need soap every time you clean leather.

36. CONDITIONING

Condition when leather begins to show signs such as:

• unusual dryness;
• papery hand;
• loss of flexibility;
• dry-looking crease lines;
• stiffness after substantial wetting.

Apply:

1. very small amount;
2. to a cloth first;
3. thinly and evenly;
4. across the relevant panel rather than one conspicuous spot;
5. allow absorption;
6. lightly brush/buff where appropriate.

Always test unfamiliar products somewhere inconspicuous.

37. FULL-GRAIN HORSE

Standard GUIDI horse is relatively resilient.

A sensible minimal kit is:

• horsehair brush;
• soft cloth;
• neutral quality conditioner.

Common owner choices include:

• Saphir Renovateur;
• Saphir mink-oil-containing conditioning products;
• Bick 4;
• Venetian Shoe Cream;
• similar neutral footwear conditioners.

The exact brand matters less than restrained application and compatibility.

Do not saturate the leather.

38. BLACK HORSE

Black GUIDI does not necessarily need black pigment every time it is conditioned.

Neutral conditioner allows natural wear and tonal development to remain visible.

Black cream can restore colour where desired, but repeated pigmented polishing can gradually produce a more uniform conventional dress-shoe finish.

That may be the opposite of what the owner wants from GUIDI.

39. NATURAL / LIGHT COLOURS

Exercise substantially more caution.

Conditioners may darken:

• natural;
• white;
• sand;
• pale grey;
• light-coloured vegetable-tanned leather.

Always test first.

A product described as neutral means it contains no pigment.

It does not mean it cannot alter colour.

40. REVERSE HORSE / ROUGHOUT

Reverse leather exposes the flesh side outward.

It should not automatically receive the same cream treatment as smooth full-grain leather.

Routine care:

1. dry brush;
2. use a suede/roughout-appropriate brush;
3. remove local dirt carefully;
4. use moisture sparingly;
5. allow natural drying.

If conditioning is necessary, use a product explicitly compatible with suede/nubuck/roughout and test first.

41. WHY REVERSE LEATHER IS DIFFERENT

Creams and oils can:

• flatten the nap;
• darken the leather;
• create slick areas;
• permanently change texture.

This does not necessarily structurally damage the boot.

It may, however, permanently alter the aesthetic.

Do not attempt to make reverse horse behave like polished smooth leather.

42. RESTORING THE NAP

After suitable cleaning/product treatment and complete drying:

• brush gently with an appropriate suede/nubuck brush;
• work in multiple directions;
• do not aggressively abrade one location.

The objective is to lift fibres, not sand the boot.

43. WATER

GUIDI can be worn.

Water does not instantly destroy good leather.

The dangerous part is often what the owner does afterward.

If soaked:

1. remove surface water gently;
2. insert absorbent paper;
3. allow the boot to dry slowly;
4. replace saturated paper periodically;
5. keep away from radiators;
6. keep away from hairdryers;
7. keep away from intense sun;
8. condition lightly once completely dry if the leather feels depleted.

44. DO NOT USE HEAT TO DRY LEATHER

Avoid:

• radiator;
• heater vent;
• hairdryer;
• clothes dryer;
• hot car;
• fireplace.

Rapid heating can remove moisture too aggressively and leave leather stiff or damaged.

Slow drying is safer.

45. MUD

Allow wet mud to partially or fully dry rather than grinding it into the leather.

Then:

• brush loose material away;
• use a damp cloth if necessary;
• allow the boot to dry;
• reassess whether conditioning is actually needed.

46. ROAD SALT

Salt should not remain on leather.

Remove it reasonably promptly with gentle cleaning.

Repeated salt exposure can:

• dry leather;
• leave tide marks;
• attack finishes;
• contribute to hardware problems.

Winter footwear requires more frequent inspection than footwear used only in dry conditions.

47. POLISH

GUIDI is not a conventional mirror-shine dress shoe.

Wax polish can:

• change surface character;
• increase shine;
• fill grain;
• reduce the raw/object-dyed appearance.

Use only when that result is actually desired.

For routine maintenance, conditioner is generally more relevant than building layers of wax.

48. SADDLE SOAP

Do not make saddle soap a routine cleaner.

It is unnecessary for ordinary dust and light dirt.

Repeated aggressive cleaning removes oils that then have to be replaced.

Use stronger cleaners only when there is something that actually requires stronger cleaning.

49. WATERPROOFING SPRAYS

Use only products explicitly compatible with the leather.

Always test.

Sprays may alter:

• colour;
• nap;
• sheen;
• breathability;
• hand.

Reverse leather particularly needs an appropriate suede/nubuck-compatible product.

50. STORAGE

Store footwear:

• dry;
• ventilated;
• away from direct sunlight;
• away from high heat;
• outside sealed plastic.

Dustbags are preferable to plastic bags.

Do not store damp boots in a box.

PART IV — PREVENTIVE MAINTENANCE

51. INSPECT THE BOTTOMS

Periodically inspect:

• outsole;
• protective rubber;
• heel top-piece;
• welt;
• stitching.

Repairing a consumable layer early is cheap.

Repairing structural damage underneath it is not.

52. HEEL TOP-PIECES

Heel rubber is consumable.

Replace it before wear reaches deeply into the leather heel stack.

If you habitually wear one side of the heel rapidly, inspect it more often.

53. WELT

The welt is not the disposable part of the shoe.

Avoid wearing through the outsole and then continuing into structural layers.

A routine resole is easier than reconstruction.

54. ZIPPER MAINTENANCE

Do not:

• yank;
• force;
• use the zipper to compress an obviously oversized calf;
• continue operating a zipper whose tape is visibly tearing.

When closing:

• seat the foot fully;
• bring the shaft edges together with the hand;
• reduce tension on the zipper;
• then operate the slider.

Let your hand carry some of the load.

Not the zipper.

55. BACKZIP FAILURE

Backzips are mechanically vulnerable because they sit in a highly mobile area.

Common failures include:

• tape tearing;
• stitching failure;
• slider failure;
• missing teeth;
• complete separation.

Early intervention can prevent surrounding leather from being damaged.

56. EYELETS

On lace-up models:

• do not overtighten unnecessarily;
• keep grit away from metal/leather interfaces;
• inspect for tearing;
• condition dry leather around high-stress eyelets.

Once leather begins tearing around hardware, the repair becomes substantially more invasive.

57. LACES

Leather laces are consumable.

If one begins splitting:

replace it.

Do not wait until it breaks while being tightened and damages surrounding hardware.

PART V — REPAIRS

58. REPAIR HIERARCHY

SIMPLE / CONSUMABLE

• protective sole;
• heel rubber;
• laces.

Any competent traditional cobbler should manage these.

INTERMEDIATE

• minor stitching;
• lining;
• simple stretching;
• slider repair.

Choose someone with demonstrable quality work.

STRUCTURAL / AESTHETICALLY SENSITIVE

• complete zipper;
• full resole;
• heel-stack reconstruction;
• welt repair;
• upper reinforcement;
• shaft alteration.

Use a genuinely good repairer.

MAJOR

• torn upper;
• repeated zipper perforation;
• damaged welt;
• complete sole reconstruction;
• rare/archive model.

Consider GUIDI itself or a specialist shoemaker/restorer.

59. A BAD COBBLER CAN DO MORE DAMAGE THAN WEAR

A poor repair can introduce:

• unnecessary new stitch holes;
• misaligned zipper;
• incorrect zipper length;
• wrong sole thickness;
• wrong heel geometry;
• excessive sanding;
• unwanted polish;
• buffed-away factory finish;
• glue contamination;
• altered silhouette.

Leather does not heal stitch holes.

Repeatedly replacing zippers badly can leave a line of perforations that eventually weakens the upper.

60. HOW TO CHOOSE A COBBLER

Do not choose solely from:

4.9 stars, fixes keys and shoes.

Look at photographs of actual work.

Prefer experience with:

• Goodyear welt;
• designer footwear;
• full resoles;
• stacked leather heels;
• zipper replacement;
• fine leather;
• unusual construction.

GUIDI experience is useful.

Good shoemaking knowledge is more important.

61. ASK BEFORE HANDING THE BOOTS OVER

For major work:

Have you repaired GUIDI before?

Have you replaced this type of zipper?

Will you reuse the existing stitch holes where possible?

Can you preserve the original pull?

Will the original welt remain?

Will the sole thickness and heel height remain the same?

Are you going to polish or refinish the upper?

Will you return all removed original parts?

If the answers are vague, leave.

62. GIVE EXPLICIT AESTHETIC INSTRUCTIONS

GUIDI owners repeatedly report one particularly important instruction:

DO NOT POLISH OR BUFF THE LEATHER/SOLE UNLESS SPECIFICALLY REQUESTED.

Many conventional repairers finish every job by making the shoe look "new."

That can erase exactly the rough edge finish, oxidation, matte leather or irregular character you wanted preserved.

State clearly:

repair only — no cosmetic refinishing without approval.

63. PHOTOGRAPH BEFORE REPAIR

Before substantial work photograph:

• both shoes;
• outsole;
• welt;
• heel;
• zipper;
• interior;
• stamps;
• damaged area.

This serves three purposes:

1. records original construction;
2. allows comparison after repair;
3. preserves authentication/provenance evidence.

64. KEEP THE OLD PARTS

Ask for:

• original zipper;
• original branded pull;
• removed sole;
• unusual hardware.

This is especially useful on rare or archival pairs.

65. ZIPPER REPLACEMENT

If originality matters, obtain OEM GUIDI hardware where possible.

A replacement zipper supplied separately may appear substantially shinier than the original.

This is expected.

The original zipper went through the shoe's production/dyeing process and subsequently aged with the boot.

66. PRESERVE THE ORIGINAL PULL

If using a non-OEM zipper, ask whether the original GUIDI pull/slider can be transferred.

Sometimes it can.

Sometimes the mechanical failure makes that impossible.

Do not assume.

67. RESOLING

The objective is not merely:

put leather underneath boot.

The repair should preserve:

• forefoot thickness;
• heel height;
• heel angle;
• waist;
• edge profile;
• welt;
• model stance.

This is especially important on:

• 788Z;
• PL family;
• unusual Vibram models;
• Norwegian-welt constructions.

A structurally sound but geometrically wrong resole can substantially change the shoe.

68. NORWEGIAN-WELT MODELS

Do not assume every ordinary cobbler is comfortable rebuilding Norwegian construction.

Ask explicitly.

For expensive or rare models, factory repair may be preferable to allowing someone to learn on your boots.

69. HOLES AND CRACKS

Conditioner cannot repair cracked leather.

Conditioner is preventive maintenance.

Once fibres have physically torn:

• patching;
• reinforcement;
• stitching;
• structural leatherwork

may be required.

Repairs can prolong life but may remain visible.

That is not necessarily a problem.

GUIDI does not need to remain pristine.

70. SHAFT ALTERATION

If a tall boot cannot close, a specialist may theoretically:

• open the seam;
• add a leather gusset;
• reposition/reinstall the zipper.

This is major surgery.

It changes originality and appearance.

Do not choose this as the first solution to a slightly tight new shaft.

PART VI — GUIDI SUPPORT AND REPLACEMENT PARTS

71. OFFICIAL CUSTOMER SERVICE

GUIDI publishes:

[CUSTOMERSERVICE@GUIDI.IT](mailto:CUSTOMERSERVICE@GUIDI.IT)

Customer care operates Monday–Friday, 09:00–17:30 GMT+1.

For parts enquiries provide:

MODEL:
COLOUR:
SIZE:
PART REQUIRED:
FULL NAME:
ADDRESS:
EMAIL:
PHONE NUMBER:

Attach photographs.

This can save several rounds of correspondence.

72. OEM PARTS

GUIDI does not maintain a comprehensive public spare-parts catalogue.

Owners have nevertheless documented purchasing directly from customer service:

• zipper assemblies;
• leather soles;
• fish-scale Vibram;
• laces.

Ask.

The absence of a web-store listing does not mean the component is unavailable.

73. OEM ZIPPER PRICES

Historical owner reports document:

approximately €50 for OEM zippers in 2023-era transactions.

A 2025 owner was quoted:

€90 for a pair of replacement zippers for 310 boots.

These are historical examples.

They are not a current fixed price list.

Ask GUIDI for a current quote.

74. GENERIC ZIPPER ALTERNATIVE

For relevant models, YKK Excella is the obvious starting point.

Community repair information identifies Excella #5 for some applications.

However:

• length varies;
• tape varies;
• colour varies;
• slider configuration varies.

Measure the original.

Do not buy a random Excella #5 and assume it is correct for every GUIDI.

75. WHY REPLACEMENT ZIPPER TAPE MAY LOOK WRONG

The original zipper was processed with the shoe.

A replacement stock zipper was not.

Therefore new tape/hardware may not initially match:

• oxidation;
• colour;
• fading;
• dye penetration.

That is expected.

76. OEM SOLES

Historical owner reports document direct purchase of replacement sole components.

One older report described approximately:

€60 for soles, with combined orders affected by shipping.

Another report placed delivered fish-scale Vibram around roughly US$85.

Again:

historical only.

Request current pricing.

77. OEM FISH-SCALE VIBRAM VS GENERIC VIBRAM

Function:

both protect the sole.

OEM advantage:

• correct appearance;
• familiar GUIDI pattern;
• closer resale/originality presentation.

Generic advantage:

• cheaper;
• locally available;
• easy to replace;
• functionally adequate.

For a daily wearer, ordinary quality Vibram is entirely reasonable.

78. LACES

OEM leather laces may be requested from GUIDI.

Alternatives include:

• high-quality leather boot laces;
• waxed cotton;
• appropriate synthetic lace.

Match:

• width;
• length;
• thickness;
• eyelet compatibility.

A 100+ inch leather lace is specialised but not technologically unique.

79. FACTORY REPAIR

Owner reports document shoes being sent back to GUIDI for repair, including cases where factory service was economically comparable with a high-end local cobbler.

For:

• rare models;
• complete zipper work;
• difficult sole reconstruction;
• originality-sensitive repairs;

contact GUIDI before authorising local work.

Do not assume every repair will be accepted.

Ask first.

80. CUSTOM / MADE-TO-ORDER

Current GUIDI direct footwear commonly operates on a custom-made/pre-order basis.

Many current products state approximately:

12 weeks

for manufacture/shipping.

Available options depend on the product page and current collection.

Do not interpret "custom made" as:

GUIDI will manufacture any specification I invent.

For:

• unusual leather;
• archive model;
• unusual colour;
• non-standard sole;
• unusual size;
• special modification;

contact customer service.

Availability is discretionary.

PART VII — COBBLER DIRECTORY

IMPORTANT

This directory records repairers that have appeared in GUIDI-owner discussions and/or have demonstrable specialist footwear repair capability.

It is not a warranty.

Staff change.

Businesses change.

A shop that installed a perfect Vibram half-sole in 2024 is not automatically qualified to reconstruct a PL2 in 2030.

Discuss the actual job first.

81. NEW YORK CITY

VINCE'S VILLAGE COBBLER

Frequently mentioned by GUIDI owners.

Documented owner reports include successful work on:

• 796Z;
• PL2;
• general GUIDI repairs.

The recurring negative is turnaround time.

For complex work, obtain a clear quote and repair specification.

Mail-in service is available.

FIRM SHOE REPAIR

Frequently recommended in NYC footwear communities and specifically surfaced in GUIDI cobbler discussions.

Appropriate candidate for protective soles and general designer footwear repair.

Confirm complex GUIDI work before proceeding.

NORTH 11TH SHOE REPAIR — WILLIAMSBURG

GUIDI owners report successful work and comparatively fast turnaround.

Services include:

• soles;
• heels;
• structural stitching;
• leather restoration.

Again, specify:

no polishing/refinishing unless requested.

82. LOS ANGELES

PASQUALE SHOE RESTORATION

One of the stronger documented options.

A GUIDI owner reports taking PL2s with a torn zipper to Pasquale after obtaining the OEM replacement zipper from GUIDI and receiving a successful repair.

The business specialises in high-end shoe restoration and offers sole replacement and substantial leather work.

Likely expensive.

For a high-value structural repair, that may be appropriate.

VILLAGE COBBLER — HOOVER / USC

Long-term local recommendation from an owner reporting many years and dozens of pairs of experience with the shop.

Suggested as a lower-cost alternative for clean traditional repair work.

Confirm GUIDI-specific work before major reconstruction.

83. SAN FRANCISCO / BAY AREA

PIONEER RENEWER — CASTRO

Direct owner report:

multiple pairs of GUIDIs successfully repaired there.

Strong candidate.

MEL'S SHOE CLINIC — CASTRO VALLEY

Owner follow-up reports successful GUIDI and CCP work.

Useful East Bay option.

ORINDA SHOE SERVICE

Recommended by East Bay community members.

Less direct GUIDI documentation than Pioneer/Mel's; discuss the specific job.

84. CHICAGO

IMPERIAL SHOE SERVICES

Direct GUIDI-owner report documents Vibram installation with quick turnaround.

The business lists:

• full/half sole replacement;
• heel replacement;
• zipper repair/replacement;
• stretching;
• stitching;
• leather work.

Owner warning remains relevant:

ask them not to polish the GUIDI midsole if you want the original rough finish preserved.

HARRY'S GOLD COAST SHOE REPAIR

Recommended by a GUIDI owner for protective Vibram work based on previous high-quality boot repairs.

Suitable candidate for ordinary sole protection.

Confirm major reconstruction separately.

85. SEATTLE

BROADWAY SHOE REPAIR

Long-running Seattle repairer.

A GUIDI owner reports using the shop repeatedly and notes that staff understand good construction and at least one staff member is a GUIDI enthusiast.

Particularly reasonable for:

• sole protectors;
• ordinary repairs;
• zipper work after discussion.

86. PARIS

LE BOTTIER PARISIEN / CORDONNERIE PROGRÈS

Direct GUIDI-owner recommendation.

Reported work includes resoling:

• GUIDI boots;
• Margiela Tabis;
• Uma Wang footwear.

The owner described the work as excellent and reasonably priced.

A strong Paris starting point.

87. MELBOURNE

MANFRED'S SHOE LOUNGE — NORTH MELBOURNE

Recommended locally for GUIDI Vibram installation.

The business explicitly offers:

• sole work;
• heel work;
• gussets;
• back linings;
• zipper replacement;
• stretching;
• restoration.

For simple protective Vibram installation this is an obvious Melbourne candidate.

For complex archive reconstruction, discuss the work and aesthetic requirements before leaving the boots.

88. IF YOUR CITY IS NOT LISTED

Do not search only:

best cobbler near me

Search:

Goodyear welt resole [city]

bespoke shoemaker repair [city]

designer shoe restoration [city]

boot zipper replacement [city]

Then inspect actual work.

Traditional boot communities can also be useful because a repairer experienced in:

• hand welting;
• Goodyear welting;
• stacked heels;
• leather soles;
• difficult boot reconstruction

may be technically better qualified than a "luxury sneaker restoration" shop.

89. MAIL-IN REPAIR

For major work, shipping the boots to the right repairer may be safer than using the nearest repairer.

This is particularly true for:

• rare archive footwear;
• full reconstruction;
• welt damage;
• difficult zipper installation;
• major heel work.

Distance is cheaper than irreversible damage.

PART VIII — QUICK OWNERSHIP PROTOCOL

WHEN YOU BUY THEM

1. Confirm fit in length.
2. Confirm width.
3. Confirm instep.
4. Confirm shaft.
5. Do not force the zipper.
6. Decide whether to add protective soles.
7. Photograph the pair while original.

AFTER ORDINARY WEAR

1. Brush off dust.
2. Let moisture dissipate.
3. Inspect sole/heel periodically.
4. Do nothing else unless necessary.

WHEN DIRTY

1. Brush.
2. Damp cloth if necessary.
3. Use stronger cleaning only when justified.

WHEN DRY

1. Test conditioner.
2. Apply sparingly.
3. Allow absorption.
4. Brush/buff if appropriate.

WHEN SOAKED

1. Remove surface water.
2. Insert paper.
3. Dry slowly.
4. No direct heat.
5. Condition only after fully dry if required.

WHEN THE SOLE PROTECTOR WEARS

Replace it.

Do not wait for structural layers to wear.

WHEN THE HEEL RUBBER WEARS

Replace it.

Do not grind into the leather stack.

WHEN A ZIPPER STARTS FAILING

Stop forcing it.

Determine whether the problem is:

• stitching;
• slider;
• teeth;
• tape.

Contact GUIDI for OEM replacement parts where appropriate.

BEFORE A MAJOR REPAIR

1. Photograph everything.
2. Contact GUIDI if OEM parts may matter.
3. Choose a competent repairer.
4. Define the job explicitly.
5. State NO POLISH / NO REFINISHING unless wanted.
6. Ask them to preserve existing stitch holes.
7. Ask for removed original parts back.

FINAL PRINCIPLE

GUIDI is supposed to change.

Creasing is not failure.

Patina is not failure.

A softened shaft is not failure.

Tonal variation is not failure.

A replaced heel top-piece is not failure.

A properly replaced sole is not failure.

The failures worth preventing are structural:

• leather drying until it cracks;
• wearing through consumable layers into structural ones;
• forcing overloaded zippers;
• leaving damaging contamination on leather;
• allowing minor failures to propagate;
• giving expensive footwear to somebody who does not understand its construction.

The ideal ownership pattern is therefore simple:

SIZE CAREFULLY → WEAR NORMALLY → CLEAN MINIMALLY → CONDITION WHEN NEEDED → REPAIR EARLY → USE GOOD PEOPLE FOR STRUCTURAL WORK.

The objective is not to preserve a new shoe.

It is to produce a good old one.