This Long Sleeve Excel ComforTouch Work Shirt by Bulwark is an FR Shirt – flame resistant, made from 7.0 oz. of cotton and nylon. If you're one of those hardworking men in a harsh jobsite, then chances are you need a high quality work shirt that will keep you protected and comfortable. This FR shirt has a classic design with a solid print, double front pockets with flaps and buttons, and a button down placket. This shirt has the Arc Rating ARTPV 8.6 protection and sleeve vents.