These hard shell reinforced certified 3DF knee & shin guards scores a total of 20 points in the Leatt protection rating system. 3.0 EXT are comfortable and very easy to slip on and off with the X-straps and offers a full hard shell knee & shin protection. For a more comfortable fit look at the EXT. For a soft and hard shell knee & shin guard look at the Hybrid EXT and for maximum knee & shin protection look at the Dual Axis. Tested and certified as impact protection: Knee & shin EN1621-2 Total Leatt protection score of 20 points Full shin BMX/DH approved extended length -EXT Hard shell deflecting and sliding surface 3DF impact absorbing body Easy fitting with X-straps 3D design for optimal fit with specific left and right sides Vented plates for maximum airflow Slim shin plate that also fit inside boots Weight: 600g – 1.3 lbs (pair) Please look at our sizing chart for best fit: #S/M #L/XL #XXL