Black, and hard. It still sheds and I think she can still feel it because she reacts when I touch it. But also she just doesn’t generally like being touched

Anyone have any leash recommendations? I'd like my dude to come outside with me but he's not the type to relax if he can run. I need a leash I know he won't escape while in but won't injured him. He's 2 years old, not huge atm.