3DF airfit ventilated soft impact foam with hard shell areas. CE tested and certified as impact protection: Knee & SHin EN1621-1. Total Leatt protection score of 19 points. Full shin BMX/DH approved extended length - EXT. Hybrid combination: Hard shell deflecting and sliding full shin. 3DF impact absorbing knee. New 25% slimmer CE impact certified profile. Weight 700g -1.5lbs.Sold as pair.