Keep cool and protected in Carhartt unlined flame resistant coveralls. Carhartt coverall is made of 88% cotton/12% high-tenacity nylon. Multiple tool and utility pockets. Triple-stitched main seams for durability. Two-way brass front zipper with Nomex flame resistant zipper tape and inside and outside flaps. Single-snap closure cuffs. Velcro closures at front chest pockets and storm flap.