Excel FR® Flame-resistant, 5.5 oz./yd², (185 g/m²) 90% Cotton / 10% Polyester with moisture management finish; Concealed chest pocket; Self-fabric crew neck collar; Tagless; Raglan sleeves; Hemmed sleeves; Contrast mesh side seam gusset; Heat seal Bulwark® triangle centered at neck to show wearer has on FR undergarment; Care Home Wash; CAT 1 Arc Rating ATPV 6.4 calories/cm²