Carhartt Men's Big & Tall Flame Resistant High Visibility Long Sleeve T-Shirt Class 3 61% Modacrylic/32% Cotton/7% Polyester Imported Machine Wash Original fit 7.75-ounce knit 61% mod acrylic/32% cotton/ 7% polyester Stain breaker technology releases stains Rib-knit collar and cuffs Left-chest pocket