When your job requires exposure to dangerous arcs and flames, protect yourself with this men's flame-resistant jacket. It's made of lightweight, water-resistant fabric that gives you the warmth and durability of sandstone duck without the bulk. Stretch panels on the back, elbows, and sides let you maneuver into tight spots. 8.5-oz. 88% cotton/12% nylon. Arc Rating ATPV 36 cal/cm² (Cat 3) NFPA 2112 and 70E Compliant.