Firewall 7-Ounce Flame Resistant Coverall 88% cotton/12% nylon Imported 9 oz. Westex by Milliken flame-resistant fabric - 88% cotton / 12% nylon TPP Value: Contact 10.3, Spaced 11.4; ARC rating ATPV: 35 cal/cm2 CAT 3 (HRC 3) RT80 featuring 3M Scotchlite reflective material Nomex backed two-way breakaway front zipper with exterior storm flap closure Features easy boot access, elastic adjustable shoulder suspenders, 1 upper pocket with pencil slot, 2 rear pockets, 2 lower front pockets, 1 right tool pocket