Includes incorporated doughnut-shaped silicone insert for increased stability and better compression. Provides maximum all-way compression support and protection for the knees. Increases circulation and reduces swelling. Wrap-around model offers easier application and removal over clothing and tender or injured knees. Has an improved dual-pivot metal hinge which adds stability strength and helps prevent hyperextension. Additional patella buttress protects and stabilizes kneecap. Terry Cotton Lining helps minimize sweating and allergic skin reactions. Highly recommended by doctors for use during rehabilitation and treatment after surgery and serious knee injuries. Available Color: Black. Size: M.