Medium  14  - 15?  * When sizing  measure slightly bent  underneath knee cap * Useful in the treatment of patella dislocation  chrondomalacia patella and Osgood Schlatter?s disease * Allows more flexiblity around the kneecap * As the kneecap is free from compression  any tenderness or bruising present on the kneecap itself will not be aggravated * Captures body heat & increases blood flow * Allows skin to ventilate & release moisture * Shipping Carton Size: 12 L x 10 W x 4 H