The Slayco96 knee guard promotes increased endurance with less fatigue, allows for maximum airflow, the ability to squeeze and feel the bike, ability to go lower into corners with more leg flexibility, and generally more mobility on the bike. A favorite among freestyle mx, motocross and dual sport riders alike. 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 2 protection Molded bio-foam bordering the knee cup and shin provides increased impact protection while the strategically placed bio-foam wing promotes bike hugging inner and outer knee protection Tacky silicone grippers are strategically placed in key areas to help hold the knee pad in place and provide necessary protection when you go down Class-leading engineered hexprene fabric from the aviation industry, provides zonal support and maximum airflow, while still providing ample protection Moto-engineered specifically for cut and abrasion knee cover material paired with our RMF pad An additional inner sleeve provides the knee with additional support and stability CE level 2 certified