New Mueller Hg80 Hinged Knee Brace XL Black Gray HG80 1 Brace Maximum Support Black Red White Green simply peel off the top White Gray simply peel off the top sheet for a new sticky sheet New unique ventilating design Vented velvet lining to maximize comfort and feel while keeping your head cool EVA foam to absorb hock for for ultimate protection Unique facemask design Meets NOCSAE standards Hand wash in cold water with mild detergent and finally rinse thoroughly and air dry Measure around CENTER of knee Upper strapping system locks brace in position Outer mesh shell with bidirectional stretch fabric fastens on the sides then comfortably locks across the quadriceps Features a custom secondary shell with stabilizing patella buttress and rear support strap Anti slip inner grip strips help prevent brace migration