Dress for safety and comfort on the job in this Carhartt Flame-Resistant High-Visibility Long-Sleeve T-Shirt-Class 3. Get noticed when it's essential to safe at work. Built Carhartt tough, this shit can handle the toughest of tasks. *Meets ANSI/ISEA 107-2004 and NFPA 70E standards and Class 3, Level 2 visibility standards Carhartt Flame-Resistant High-Visibility Long-Sleeve T-Shirt-Class 3 Features HRC 2 7.75-ounce FR knit: 61% modacrylic/32% cotton/7% polyester Rib-knit collar ATPV/EBT (CAL/CM2) and cuffs Side-seamed construction minimizes twisting Left-chest pocket 10.0BLM Carhartt FR and HRC 2 labels sewn on pocket 3MTM ScotchliteTM FR reflective segmented materials Meets ANSI/ISEA 107-2004 and NFPA 70E standards and Class 3, Level 2 visibility standards INHERENTLY FLAME-RESISTANT FABRIC Carhartt: #FRK003 Extended Information