Features of the Carhartt Men's Flame Resistant Duck Bomber Jacket 11.5-Ounce, FR quilt lining: FR modacrylic batting quilted to FR twill face cloth Two inside patch pockets with FR hook-and loop closures Nomex FR rib-knit cuffs and waistband Brass front zipper with nomex FR zipper tape plus inside and outside protective flaps with hook-andloop closure for electric-arc protection Under-collar snaps for optional FR hood Carhartt FR label sewn on front pocket; NFPA 2112/cat 4 label sewn on zipper flap Meets the Performance requirements of NFPA 70E and is ul classified to NFPA 2112 Fabric Details 100% Cotton FR Duck