Innovative hybrid frames are constructed from a flexible composite over-injected with a high performance fiber reinforced polymer which provides optimal structural integrity & support while being ultra-lightweight & adaptive. Features The frame system reduces the risk of sustaining injuries to: The medial & lateral collateral ligament The anterior & posterior cruciate ligament The lateral & medial meniscus Slim ergonomic design for riding comfort during dynamic movement. Extremely stable slim-design four-point hinge system perfectly follows the articulation of the knee. Lightweight & highly ventilated knee protector offers strong impact force dispersion & absorption while ensuring maximum coverage area in all riding positions.