X-large 14 - 15.75 Is Designed To Prevent Hyperextension Of The Elbow Rom Hinged Elbow Features Medial And Lateral Range Of Motion (rom) Hinges To Provide Stability Hinges May Be Adjusted To Limit Extension At 0 15 30 Or 45 Settings Rom Hinges Help Control Extension And Rotation And Provide Exceptional Support Through Postoperative Rehabilitation Criss-crossing X Hook And Loop Straps Provide Additional Protection From Hyperextension Available In Black