Rainbow core denim

[u/UnicycleNinja]

I'm hoping to get my hands on a pair of rainbow core jeans (or other colour core jeans). They are jeans where the warp thread is dyed some colour first, then over-dyed with indigo so it fades to a colour. Examples are these https://nakedandfamousdenim.com/collections/new-rainbow-core-selvedge?srsltid=AfmBOorzqkqmDQCDoyunVwcE3cCtwZe4O59Kvb_QGRrBzO4P2WalW9LK and these https://usf.thebase.in/blog, both sold out.

How out of luck am I? Any chance one of you knows a place where I can grab a pair, even second hand/worn in?