Viking® Firewall FR® Cargo Pants Navy - 20179 - 1/CS9 oz. Westex by Milliken flame resistant fabric 88% cotton 12% nylon TPP Value: Contact 10. 3, Spaced 11. 4 ARC rating ATPV: 12. 4 cal cm CAT 2 All brass closures thermally protected from the skin Dual hazard protection from electrical arc and hydrocarbon flash fire Cargo style work pants Reinforced front slant pockets and back seat pockets Generous sized side pockets with flaps, and hook and loop closure Belt loops, metal button waist closure and