Discover the Carhartt difference in this flame-resistant high-visibility long-sleeve t-shirt. Constructed of 7.75-ounce FR knit (a durable blend of 61% modacrylic/32% cotton/7% polyester), it features a rib-knit collar and cuffs. Side-seamed construction minimizes twisting. Features a left-chest pocket and 3M Scotchlite FR reflective materials for increased visibility. Meets ANSI/ISEA 107-2004 and NFPA 70E standards. Meets ANSI Class 3, Level 2 visibility standards. VPN: FRK003.