7 oz Twill Flame-resistant 88% Cotton 12% high tenacity nylon. 12 OZ. Lining 100% cotton interlining 100% FR modacrylic. 3M™ 2" FR #9187 reflective tape. F/R reflective tape: 2 vertical on front (over pocket and flap),“X” on back, all around waist and 1 horizontal stripe on each arms. 2 large bottom patch pockets with hidden snap flaps closure and hand warmer. Nomex tricot inside cuffs. Elastic waist onback for more comfort. Heavy-duty, two-way concealled. Nomex taped brass zipper front closure. Storm flap withhidden snap over front zipper closure. Inside windreaker snow belt at waist. Left chest pocket with concealled snap flap closure. Left chest inside pocket with concealled snap flap closure. Pencil pocket on left sleeve.