Total Leatt® protection score of 12 points Super slim, AirFlex gel impact protection Sliding hard shell knee cup for added protection Knitted base layer for superior comfort all day long Pre-curved 3D design for optimal fit and function Side and upper knee impact protection Premium comfort using MoistureCool and AirMesh wicking fabrics Silicone printed, cupped knee grip Single sizing for perfect fit All protection materials perforated for ventilation Silicone printed, non-slip cuffs CE tested and certified as impact protection: Knee EN1621-1 Weight: from 300g (0.66lbs) pair