CE-certified and approved as impact protection, these are soft knee pads with additional co-molded hard shells. The side panels are made from 3DF foam, which absorbs all impacts. The pre-curved design provides a good fit that is comfortable and stays in place thanks to the new non-slip silicone bands for the knees and calves. They are also made from highly perforated neoprene. Fit: snug cut. Protection zones: knees. Type of protectors: soft-hard combination. Weight: 530 g. Supplied: in pairs. Details: 3DF AirFit ventilated absorption foam; EN1621-1 certified; odor-reducing MoistureCool and AirMesh materials; pre-shaped 3D design for optimal fit; lateral impact protection. Size information: size is true to fit.