Non-conductive, Nomex® tape zipper with storm flap, Attached three-piece hood with drawstring, Knit cuff and waistband, Two large exterior welt pockets, Two inside chest pockets, Seams triple-needle topstitched, Quilted insulation. Shell: Flame-resistant 13.0 oz. (403 g/m²) Duck, 100% cotton. Insulation: Flame-resistant 5.5 oz. (170 g/m²) modacrylic blend. Arc Rating ATPV 46 calories/cm².