"6.5OZ 100% Cotton Knitted FR Treated, FR Buttons,Inherently Aramid Sewing Thread" "Flame resistant construction. ATPV 11 Calories/cm2. NFPA 2112 Standard-2018 Edition. NFPA 70E, HRC/CAT2. Attached a small sample for simple FR test." "Relaxed Fit. Casual Style. Comfortable, Soft and Fashionable." "Ideal for Welders, Fitters, Ironworkers, Electricians and Other Industrial Workers." "Up to 100 Washes. Prewashed, Preshrunk and Wrinkle-Free." WORKWEYA FR Shirts for Men NFPA 2112 CAT2 6.5 oz Long Sleeve Lightweight 100% Cotton Flame ResistantHenley Shirt