NFPA® 2112. Coat arc flash rating ATPV 34 cal/cm2. Shell fabric: 7 oz twill, water-repellent, 88% Cotton/12% Nylon Westex Ultrasoft®; insulation: 12 oz 100% Modacrylic; lining: 100% Cotton. This women’s FR jacket has Nomex® taped brass zipper, concealed snap closure, patch pockets, inside chest pocket, sleeve pocket.