Ossur Form Fit Knee Brace w/ Range of Motion Hinge (ROM) with 4 options to choose from, you can confidently meet the unique needs of any patient. When you need to limit range-of-motion, our ROM hinge provides the control you need. When you don’t, you can opt for a more streamlined, polycentric hinge. ROM braces available in 12” or 16” Length. A removable, universal buttress is included with every sleeve version of the Form Fit Knee Brace for additional, customizable patella support, if necessary.