Flame Resistant clothing for protection of industrial personnel against short duration thermal. MAKE WORK SAFER-- Flash fires can cause serious injuries and burns without wearing flame resistant clothing. 5.5OZ Quality 100% Cotton FR Knit,Rib-knit collar and cuffs Three FR button placket,Preshrunk,Comfortable Fit ASTM F1506,NFPA70E CAT II ATPV 8.0 CAL/CM² This easy-wearing, hard-working，Good quality and Nice color. 5.5OZ, 100% cotton FR henley knit T-Shirt wicks away sweat for comfort and fights odors.Three Buttons. It features a rib-knit crewneck collar and cuffs .ATPV 8 CAL/CM²/ CAT II.