The updated SCOTT 350 Race Pant combines tough construction with new materials & an updated articulated fit. It has strategically placed stretch & vent panels for comfort no matter how intense the race gets. In addition, these pants feature leather inner knees backed with nylon for added durability as well as ribbed spandex in the knees. Materials 600D Nylon chassis, Spandex, 3/4 mesh liner, Leather outer knee with ballistic nylon backing Fit Regular Features Articulated pre-bent fit in rider attack position Ribbed Spandex upper knee Stamped Leather inner knees for durability Natural lower leg cuff Ultra light TPRs Nylon 900-D inner lining on knee leather to eliminate knee brace wear