Product InformationMade of 6.75-ounce, 100% cotton jersey Carhartt's long sleeve pocket t-shirt makes for perfect workwear layered or worn alone. It features a crew neck with a generous left chest pocket and side-seamed construction to minimize twisting. Heather gray fiber content is 90% cotton / 10% polyester. Long Sleeve Workwear Pocket T-Shirt Heather Grey - Large