Flame-Resistant Carhartt Force® Long-Sleeve T-Shirt 6.5-ounce, 93% cotton / 7% spandex knit Meets the performance requirements of NFPA 70E UL® classified to NFPA 2112 Built with Force technology to wick sweat, dry fast, and fight odors FastDry® technology keeps you cool for all day comfort Spandex-reinforced rib-knit crewneck Side-seam construction minimizes twisting Carhartt FR and NFPA 2112/CAT 2 labels sewn on side seam Imported