DescriptionFlame-resistant. 6 oz. 93% Nomex Aramid/5% Kevlar Aramid/2% Other Fiber. Arc Rating ATPV 5.6 calories/cm2. 2-way concealed Nomex taped brass break-away zipper, concealed snap at top of zipper and at neck. Mandarin style, stand up, two way safety collar. Concealed snap closure on cuff. Elastic waist inserts. 2 front swing pockets. Left sleeve pocket. Deep-pleated action back. Side vent opening with concealed snap closure. Rule pocket on right leg. Comes in Regular & Long sizes. Complies with ATPV, NFPA, UL.