Shop Knee Brace, Ossur® FormFit® OA Ease Lateral, Acrylonitrile Butadiene Styrene / Aluminum / Elastane / Ethylene-Vinyl Acetate / Fiber Glass Reinforced Nylon / Nylon / Polyester / Polypropylene / Polyurethane / Steel / Thrmoplastic Elastomer, 3X-Large Knee