Huamost Cycling Roller Skating Knee Elbow Protective Pads - Adjustable Size, Suitable for Multi Sports,Skateboard, Biking, Mini Bike Riding and Other Extreme Sports Flexible and strong polymer CUP act as shield from impact Unique X-shaped thermal plastic urethane (TPU) shell EVA high-density foam for superior shock absorption Lightweight TPU and Cordura nylon construction Shaped design hard rubber cap for maximum mobility and protection with a comfortable fit. Adjustable Velcro Fasteners for easy removal and fit most size Perfect for all sports, outdoor activities, airsoft, paintball, hunting and shooting games.