Fabric: FR 9 oz. Twill. 100% Cotton. Features: Two-way concealed NOMEX taped brass break-away zipper, concealed snap at zipper top, neck and cuff. Elastic waist insert. Deep-pleated action back, side vent openings with snap closure. Two front swing pockets, two patch pockets with flaps and concealed snap closure, two patch hip pockets, left sleeve pocket.