4.5 oz./yd², 93/5/2 Nomex® Aramid/Kevlar® Aramid/Other Fiber; Flame-resistant; Two-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; Two front swing pockets; Two patch chest pockets with flaps and concealed snap closure; Two patch hip pockets; Left sleeve pocket; Deep-pleated action back; Side vent opening with concealed snap closure; Rule pocket on right leg; Arc Rating ATPV 4.4 calories/cm²