IQ SERIES™ Flame resistant, 5.3 oz., 69% cotton, 25% polyester, 6% polyoxadiazole. Four button placket. Rib knit henley collar. Contrasting thread color and raglan sleeves. Full side seam gusset. Chest pocket with pencil stall. Pencil stall pocket on right sleeve. NFPA 2112 compliant.-Arc Rating ATPV 8.2 calories/cm 2 -Hazard Risk Category (HRC): 2