Medium * Fits knee circum. 13.25 - 14.5 (measure slightly bent underneath knee cap) * Wrap design with velcro closure and open patella means comfort for tenderness or bruising on the kneecap * Has full-length anterior opening popliteal cut out and unrestricted knee flexion * Side spirals give additional support * Captures body heat & increases blood flow * Allows skin to ventilate & release moisture * Measure slightly bent underneath knee cap * Color: beige * HCPCS Description: Knee orthosis elastic knee cap prefabricated includes fitting and adjustment