Walls Men's Flame Resistant Lightweight Utility Jacket 88% Cotton, 12% Nylon Imported Machine Wash Arc rating, atpv-15.6cal/cm2, HRC level 2 7 oz. 88 percent cotton/12 percent high tenacity nylon twill shell Inside FRont facings Zip front with protective storm flap covering Garment, fabric and trims are NFPA 2112 ul certified