6.7-ounce, 48% modacrylic / 37% lyocell / 15% aramid jersey knit Meets the performance requirements of NFPA 70E and ASTM F1506 UL® classified to NFPA 2112 Meets ANSI / ISEA 107 standard Meets ANSI Class 3, Type R visibility standard Built with Force technology to wick sweat and dry fast FastDry® technology keeps you cool for all day comfort Rib-knit crewneck and cuffs Side-seam construction minimizes twisting Carhartt FR and NFPA 2112/CAT 2 labels sewn on pocket Imported