Carhartt Flame Resistant Lightweight Twill Tradesmen Shirt. 6 ounce FR twill, a blend of 88% cotton and 12% high tenacity nylon. Left chest tradesmen pocket with easy angle pen pocket, double front utility pocket and button closure. Right chest pocket with button closure. Extended sleeve plackets with two button adjustable cuffs. FR melamine buttons. Button down collar band with button closure. Carhartt's famous triple stitched main seams. Shaped shirt tail. NFPA 70E complaint. Carhartt Flame Resistant fabric by Mount Vernon Mills.
HRC 1 ATPV(cal/cm2) 5.8