102459 Carhartt Women's FR Rugged Flex Twill LS Shirt This twill shirt is designed with Rugged Flex technology to allow you to move freely while keeping the flames at bay. Meets the performance requirements of NFPA 70E / ASTM F1506 UL classified to NFPA 2112 Built to move with Rugged Flex stretch technology Triple-stitched main seams Button-down collar with FR melamine buttons Adjustable cuff with button closure Carhartt FR label sewn on left pocket flap NFPA 2112 / CAT 2 labels sewn on sleeve placket Two chest pockets with flaps and button closure Center Back Length: 27.5" Fabric 7-ounce | 87% Cotton / 7% High-Tenacity Nylon / 5% Polyester / 1% Spandex FR Twill