Field-Tested 7-ounce, lightweight, flame-resistant twill NFPA 70E compliant Flame-resistant melamine buttons Carhartt knows what the hard-working man needs and wants Style doesn't have to go by the way-side when you work This Carhartt flame resistant work shirt features a handsome button down collar. Two button-through chest pockets; left pocket has a handy pencil slot. Button front placket and two-button adjustable cuffs. Shirt is made of 88% cotton/12% high-tenacity nylon. Imported.