It features a center front two-way breakaway brass zipper and no-melt, no-drip Velcro closures for added safety and convenience. Designed to guard against electric arcs, flash fires, molten ferrous metal, and welding exposure, the garment is crafted from Westex UltraSoft fabric ...It features a center front two-way breakaway brass zipper and no-melt, no-drip Velcro closures for added safety and convenience. Designed to guard against electric arcs, flash fires, molten ferrous metal, and welding exposure, the garment is crafted from Westex UltraSoft fabric, composed of 88% FR Cotton and 12% Nylon, and meets key safety standards including NFPA 2112, NFPA 70E, and ASTM F1506.