FR Featherlight Work Shirt from Ariat Ariat® flame-resistant Featherlight Work Shirts offer the ultimate in lightweight protection. Made from premium 100% inherent FR fibers with Moisture Movement Technology™ to keep you cool and dry, the Featherlight is built to fight the heat • CAT 2 • ATPV 9.5 cal/cm2 • NFPA 70E • NFPA 2112 • Greater Arm Mobility seam construction for maximum range of motion • Moisture Movement Technology™ keeps you drier • Ultralight 5.3 oz inherent GlenGuard® fabric • Button down with double front chest pockets • Left pocket pen slot • Shoulder mounted gas detector loop • Permanent colorfastness • 74% meta-aramid, 20% modacrylic, 5% para-aramid, 1% antistatic