Protect your knees during gameplay with the Tandem Sport Kneepads. They are made of 62% polyester, 25% elastic, 13% nylon to enhance durability. The lightweight EVA absorbs impact and reduces stress on your knees during intense gameplay and practice, and they are available in 3 different sizes to fit every player. Tandem Sport Kneepads Black, Small/Medium - Volleyball Equipment at Academy Sports