For kids who know no fear, a little extra protection is always a good thing. Graded down from our adult sized pads, Sendy DH knees are for kids who get sendy. The open back Sendy DH knee pads feature certified D3O® LP1 Compact impact protectors which have been designed for smaller joints.Key Features:Open-back design for easy install and removal.Removable D3O® LP1 Compact certified impact absorbing foam.Perforated neoprene enhances protections from abrasion.Foam padded side walls offer additional coverage.Extended foam shin pad for extra protection.Material: 25% Nylon, 25% Polyester, 22% Polyethylene, 18% Polyurethane, 10% Spandex.