Troy lee designs youth sprint shortsthe tld sprint shorts are made from heavy duty 600 denier polyester nylon meaning they will resist the abrasion and scuffs that come with all mountain riding find your perfect fit with the bonded rubber adjusters these are the youth specific version that still maintains all of the features of the adult shorts although these are tough the 2 way stretch spandex constructions allows them to flex and stretch with you as you negotiate the trail the gravity rider