Ariat flame resistant knit shirts are constructed with the ultimate comfort, technology and durability in mind. FR fabric is soft against the skin and the taped inside back seam eliminates irritation. Plus, Ariat Moisture Movement Technology will keep you cool and dry. 5 oz lightweight knit with Moisture Movement Technology that wicks moisture away from the skin. Greater Arm Mobility seam construction for maximum range of motion. Screen printed logo at neckline. CAT 1 ATPV 6 cal/cm2 NFPA 70E