Designed specifically for Travis Pastrana, the TP199 Elbow Pad offers everything for the rider looking for complete support and protection in a low profile and comfortable pad. They are perfect for both the motocross track and off-road riders. Air Mesh -Perforated fabric allows air to flow unimpeded while still providing protection and a compressive like fit. RMF-Reactive Memory Foam is soft and pliable in its natural state but hardens when force is applied to it, providing a protective barrier that meets CE 1621-1 level protection. Trac Grip -Tacky silicone grippers are strategically placed in key areas to help hold a knee pad in place, limiting uncomfortable migration. Molded bio-foam upper for increased impact protection, Sold in pairs, Available in Sizes: S/M and L/XL