The SCOTT 350 Track pants combine a robust construction with a new material composition & an anatomical fit. The strategically placed stretch & ventilation inserts ensure comfort, no matter how sweaty the race gets. These pants also feature a leather inner knee panel. Materials 600D Nylon chassis, elastane, 3/4 mesh liner, leather outer knee with ballistic nylon backing Fit Regular Features Articulated pre-bent fit in rider attack position Ribbed elastane upper knee Stamped Leather inner knees for durability Natural lower leg cuff Ultra light TPR Nylon 900-D inner lining on knee leather to eliminate knee brace wear