Adjustable length range: 66-79 centimeters, ?26-31in? Adjustable range of thigh circumference: 45-68 centimeters, ?17.7-26.8in? Adjustable range of calf circumference: 35-50 centimeters, ?13.8-19.7in? This adjustable knee brace provides stability and support during recovery from knee injuries or surgeries. Its locking hinge system securely controls range of motion to prevent overextension or flexion, allowing healing in proper alignment. Adjustable collateral bars can be individually tightened to prevent unwanted knee movement and deformity. Soft neoprene sleeves contour comfortably around the leg while remaining breathable. Clinically proven in American hospitals, this brace stabilizes the knee through immobilization or limited motion phases after procedures like ACL reconstruction or MCL sprains. The extra-large sizing accommodates a wide range of leg sizes