For the rider wanting full coverage impact protection for the knee and shin. The TRIAD Knee/Shin Guard is articulated and form fitting to offer optimal protection and comfort. The highly effective hinge system allows the knee to move naturally while providing a full range of motion. The adjustable straps and unique quick-release attachment clips on the TRIAD Knee/Shin guard give the user a custom feeling fit that allows for quick and easy mounting. CE1621-1 Level 1 D3O impact liner. Hard shell plastic outer layer featuring Gridguard Technology. Biaxial tracking hinge for ultimate comfort and articulation. Medial containment flange for superior knee joint support.