Flame-Resistant Women's Rugged Flex® Twill Shirt 7-ounce, 87% cotton / 7% high-tenacity nylon / 5% polyester / 1% spandex FR twill Meets the performance requirements of NFPA 70E 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 Imported