7-ounce FR twill: 88% cotton and 12% high-tenacity nylon. Snap-front closure. Two chest pockets with flaps and snap closures. Three-snap adjustable cuffs with snap closure on sleeve plackets. Triple-stitched main seams. Carhartt FR label sewn on left-chest pocket. Meets NFPA 70E standards. Flame-resistant fabric by Mount Vernon Mills. VPN: FRA006.