E6404 Flame-Resistant Collared Shirt Type Tall Khaki 88 Percent Cotton/12 Percent Nylon Size LT Fits Chest Size 42 to 44 In. Closure Type Button Pockets 2 ATPV Rating 8.6 cal/cmâ–“ Hazard Risk Category (HRC) 2 Fabric Weight 7 oz. Standards NFPA 70E NFPA 2112