This FR short sleeve T-shirt combines everyday comfort with essential CAT 1 FR/AR protection, making it ideal for layering in your FR workwear system. Made from a lightweight 5 oz. fabric blend of 70% modacrylic and 30% rayon-Tencel, it provides arc flash protection with an EBT Arc Rating of 4.8. Featuring a rib-knit collar and a single chest pocket, this slim-fit T-shirt is designed for breathability and comfort, even in hot working conditions. It meets NFPA 70E standards, is home-washable, and offers reliable protection without compromising on comfort for those working in arc flash hazards.