CARBON FIBER FRAME: Anatomically correct design 12K aerospace carbon fiber Military Spec Ultra lightweight impact distributing structure. ASYMMETRI-GLIDE HINGE: Tracks the natural “rolling-gliding” motion of the knee joint Accurate track hole pattern Adjustable ext. regulator from 0º to 30º D.A.U. CUFF: Multiform rigid lateral support Uniform rigid lateral support ANTI-ROTATION TETHER: Links the brace to the boot, making them as one Transfers forces of a lower leg rotation Adjustable to suit each individual LINERS: Our liners are a low profile material which keeps the straps placed exactly where you want them, offering comfort and strap control. TELE-TRI PATELLA CUP: Three piece design High impact Nylon 6 material Full range of motion coverage of the knee cap Thermo-Formed EV50 shock absorbent foam padding WATER RESISTANT: Non-corrosive metals Non-corrosive composites Hand washable soft materials UNDER SLEEVES COTTON (included with braces): Cotton compression sleeves Undersleeves, frame guards and Tethers are included