Order # 54453009 Manufacturer# 08145445 Brand L'TIMATE Manufacturer Bird & Cronin Application Knee Brace Circumference 16 to 18 Inch Circumference Fastening Type Strap Closure Length 9 Inch Material Nylon / Neoprene Size X-Large UNSPSC Code 42241703 1/8 inch neoprene with nylon on two sides Plush nylon outer layer allows for maximum or minimum tension of buttress Buttress strap contained within sleeve will not slip, shift or rotate out of position Unique side straps allow quick determination of correct tension