This super easy to use knee brace starts with aluminum dual pivot hinges that are anatomically correct and imitate the flexion and extension motions of the knee. Provides superb bilateral protection and stability along with superior hyper-extension control. Impact resistant thigh and calf panels are lined with anti-slip sharkskin Neoprene to give this brace the highest comfort level. Comfortable wrap around thigh attachment provides great fit. No bulk and fits great in all MX boots. Easy on-and-off design with single calf and thigh straps. Full coverage knee cup prevents patella injuries. Low wear hinge cover material protects pants and graphics. Sold in pairs.