Flame-resistant coveralls made with Nomex are inherently flame-resistant and helps protect the wearer from direct exposure. 4.5 Oz. coveralls feature concealed snap closures on the sleeve cuffs, elastic waist inserts, side vent openings and a deep-pleated action back. The concealed Nomex-taped brass break-away zipper features a concealed snap at the neck. The Mandarin style stand-up, two-way safety collar protect the neck area. Coveralls feature two patch chest pockets with flaps and concealed snap closures, two front swing pockets, two back pockets and a left sleeve pocket and a rule pocket on the right leg. Clothing has an arc rating of 4.4 cal/cm=M,20ÝSquared¨. Meets NFPA 70E Hazard Risk Category 1 and is UL Classified to NFPA 2112.