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.Specification:CE1621-1 Level 1 D30 Impact LinerHard Shell Plastic Outer Layer Featuring Gridguard TechnologyBiaxial Tracking Hinge For Ultimate Comfort And ArticulationMedial Containment Flange For Superior Knee Joint Support