Carhartt's flame-resistant work-dry® lightweight twill shirt is a comfortable choice on warmer days. Constructed of lightweight, 6-ounce fr twill in a blend of 88% cotton and 12% high-tenacity nylon, its work-dry® material wicks away moisture for comfort. Two chest pockets with flaps and button closures add utility, and two-button adjustable cuffs enhance fit. Meets nfpa 70e standards.