13-ounce - 100% Cotton FR canvas - FR sherpa lining - Meets the requirements of NFPA 70E UL classified to NFPA 2112 - Vision front zipper with Nomex FR zipper tape with inner storm flap & zipper garage at chin - Drop-tail hem - Carhartt FR and NFPA 2112/CAT 4 labels sewn on left front pocket - Two large front pockets lined with FR sherpa - Two inside drop-in pockets