Flame-resistant, 13 oz./yd², 100% Cotton Duck with 5.5 oz./yd², Modacrylic Blend Quilted Insulation; Nomex® taped brass zipper fly front; Thigh-high leg zippers; Elastic in straps; Non-conductive heavy-duty release buckle; Two large front bib pockets with pencil stall; Two set-in swing pockets › Watch pocket; Two large hip pockets; Double tool pocket; Side vent openings with snap closure; Front leg reinforced shin to thigh.; Care Home Wash; Arc Rating ATPV 46 calories/cm²