- 10-ounce, 44% modacrylic / 40% wool / 11% aramid / 5% lyocell Tecasafe® Plus FR fleece - Face mask: 6.75-ounce, 45% modacrylic / 35% lyocell / 20% aramid FR pique - Meets the performance requirements of NFPA 70E - UL® classified to NFPA 2112 - Face mask built with Force technology to wick sweat and dry fast - FastDry® technology face mask keeps you cool for all day comfort - Rain Defender® durable water repellent (DWR) keeps you dry and moving in light rain - Face mask extends below the neckline and stores below the chin - Carhartt FR label sewn on front