Carhartt FRJ020 Flame Resistant All-Season Bomber Jacket. 8.5 ounce canvas: a blend of 88% cotton and 12% high tenacity nylon. 6 ounce twill face cloth lining. Two inside patch pockets with FR hook and loop closures for convenient storage. Nomex rib knit cuffs and waistband. Brass front zipper with Nomex zipper tape has inside and outside protective flaps plus covered snaps for electric arc protection. NFPA 70E Compliant. Flame resistant fabric by Mount Vernon Mills. HRC 2 ATPV(CAL/CM2) 19.2 Carhartt FR label sewn on front pocket, HRC 2 label sewn on zipper flap.