Suggested HCPC L1832 L1833 * XXX-Large 21 - 24 * Medial and lateral hinge stays provide excellent support * Enclosed tubular donut buttress * Neoprene coated with 4-way stretch nylon fabric * Piping along thigh and calf areas of support to stop flexing * Tapered in back for comfortable fit * Range of motin hyperextension stops at 170�.* Easy removable hinges for custom fitting * Indicated for mild to moderate ligament joint pain sprain strains of the knee ligaments * Provides support. stabilization and compression of the knee joint following ligament or meniscus *