The unique design with a soft and flexible 3DF impact protector over the knee and a hard shell deflecting full shin protection gets the best of two worlds. Flex, comfort and deflection. For a full hard shell knee and shin protector look at the hard shell EXT. Features tested and certified as impact protection: Knee & shin EN1621-2 Full shin BMX/DH approved extended length -EXT Hybrid combination Hard shell deflecting and sliding full shin 3DF impact absorbing knee New 25% slimmer impact certified profile New MoistureCool and AirMesh fabrics. Wicking Anti-microbial Silicone printed adjustable non slip cuffs Our 3D design ensures a great fit that is very comfortable Slim shin plate that also fit inside boots Weight: 700g – 1.5 lbs (pair)