The Mueller Sports Medicine Hg80 Hinged Knee Brace features triaxial hinges that properly tack the knee joint producing near-normal motion. It also has a tibial containment system with secondary shell and patella buttress and an upper and lower strapping system. Extremely comfortable Mueller-exclusive HydraCinn® fabric. Permanently bonded anti-microbial barrier. Available in sizes SM – XXL.Made with Latex-free materials.