Uniway Children Sports Kneepads Climbing Kneelet Outdoor Kneecap Elbowpads Protector Kneeboss Couter Elbowcup for Skating/Snowboarding/Rock Climbing/Ball Games Good ventilation and perspiration with soft internal padding and tough outer shells add excellent protection. Elastic and breathable fabric,lightweight and durable to use, closure design will fit most knee sizes. Fully adjustable velcro makes it close tighter and gives better compression for the knees,palms and elbows. Retains body heat to warm the knee joint and increase blood circulation to provides compression for weak or over stressed knees Protects against abrasive surfaces such as broadloom, wood floors, stone tiles, or concrete, Suitable for sports: Skating,snowboarding,rock climbing,ball games and so on.