Large Flat Cap, Increased Stability;Layered Gel Absorbs Pressure & Supports Knee;Hinged Thigh Straps: Better Mobility;Pressure Reducing Foam Maintains Shape;Robust, Durable Cap for Longest Life;2 Secure Adjustable Buckles;Dual Material Lower Strap;Cushioned Adjustable Thigh Strap;Durable Metal Rivets;Open Cell Foam;Third Party Tested