100374 - M Workwear Pocket Sleeveless T Shirt Wear the Carhartt Workwear Pocket Sleeveless T-Shirt by itself on hot days or as a layer on cooler ones. Built of tough 6.75-ounce, 100% cotton jersey knit, it features a left-chest pocket for small tools, glasses or pencils. The side-seamed construction minimizes twisting and a tagless neck label eliminates chafing. Clean-finished seams also enhance all-day comfort. Note: Heather Gray is 90% cotton/10%polyester, and Oatmeal Heather is 99% cotton/1%polyester. *6.75-ounce, 100% cotton jersey knit *Left-chest pocket *Clean-finished seams *Relaxed fit