EXCEL FR® Flame-resistant, 5.5 oz./yd², (185 m/g²) 90% Cotton / 10% Polyester with moisture management finish Self-fabric crew neck collar Concealed chest pocket and pencil stall Tagless Raglan sleeves Contrast mesh side seam gusset Heat seal Bulwark® triangle centered at neck to show wearer has on FR undergarment Home Wash CAT 1 Arc Rating ATPV 6.4 calories/cm²