Knee Brace level 3Better hinge for your hinge No gears; each sidearm is independently articulated with cushioned hyperextension stops McDavids lightest hinge has wider arms to aid in maintaining strength Engineered straps assure personalized fit Latex free neoprene provides thermal compression Open 360 padded buttress isolates and supports the patella Bound edges prevent irritation Perforated back panel provides heat and moisture management and all around comfort