The SCOTT 350 Track Pant combines tough construction with stretch and vent panels for comfort no matter how intense the race gets. It features leather inner knees backed with nylon for added durability as well as ribbed spandex in the knees to accommodate knee braces. Materials 600D Nylon, Spandex, Ÿ mesh liner, leather inner knees, ballistic nylon outer knee 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 TPR?s Nylon 900-D inner lining on knee leather to eliminate knee brace wear