Carhartt Workwear Pocket Long Sleeve T-Shirt. CTK126Wear it as a layer. Wear it by itself. Wear it with pride. It's as rugged and dependable as your favorite hammer., Durable 6.75-ounce, 100% cotton jersey knit, 90/10 cotton/poly (Heather Grey), 60/40 cotton/poly (Carbon Heather), Rib knit crewneck and cuffs, Tagless neck label, Left chest pocket, Side-seamed construction minimizes twisting, Carhartt label sewn on left chest pocket, Loose fit