NWT At under seven ounces, this men's FR shirt is light enough to keep your crew moving through warm weather. It's made of flame-resistant jersey that fights off sweat and odor. The rating labels are sewn right onto the chest pocket for convenience. 6.75-ounce, 100% cotton FR jersey Meets the performance requirements of NFPA 70E UL® classified to NFPA 2112 Carhartt FR and NFPA 2112/CAT 2 labels sewn on pocket Built with Force technology to wick sweat and dry fast FastDry® technology wicks away sweat and fights odors Side-seam construction minimizes twisting Rib-knit crewneck holds its shape Left chest pocket Embroidery: 6 unit minimum Chest Right/Left: 3.5"W x 3.0"H Sleeve Right/Left: 3.5"W x 3.0"H