Bulwark Excel FR long sleeve FR two-tone base layer. Fabric made of 5.5 ounces, 90 percent cotton/10 percent polyester with moisture management finish. 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. Home wash.