Some wear on the back heal on both legs. Exclusive Euro twill fabric is made of 98% cotton and 2% spandex with a weight of 365 g/m2 Lining is made of 100% cotton with a weight of 117 g/m2 Gusseted crotch offers great mobility Articulated knees provide a great fit Reinforced pockets and bottom cuffs help reduce wear Stealth drop-in cellphone pocket KUHL Full fit