I’m curious what type of webbing this is. Maybe webbing is not the correct term as it looks like its diecut. i’m referring to the purple section. It has a nice finish too it, almost waxy like. Some sort of coated nylon sheet?
Looks like a standard pu material, microfibres or other type of backing to me. Nothing special. What most shoes are made of. Some suppliers include nan ya or San fang from Taiwan among many others.