A classic! Our 6.75-ounce, 100% cotton jersey knit t-shirt features a standard rib-knit crewneck and the convenience of a left chest pocket. Side-seamed construction guarantees less twisting and more comfort and ease of movement on the job. Ash fiber content is 99% / 1% polyester. Heather gray fiber content is 90% cotton / 10% polyester. Carhartt Men's Workwear T-Shirt Navy