about as much leather as you get from any other recycled item. basically half of what is need to create the item at least at 120 tailoring.
So thigh boots would yield 5 leather just like Leather leggings, std sleeves, female studded
boots would yield 4 leather just like std gloves, shorts, std bustier, female leather armor
shoes would yield 3 leather just like std gorget, skirt, bustier
sandals would yield 2 leather just like leather gorgets and sleeves
leather cap uses 2 hides and can be unraveled to get one hide back that makes less sense then unraveling footwear.
but guess I will just continue to use mine to fill non-exceptional, non-colored footwear smalls. Its been to long to think this will be changed.