Learn more about Carhartt. The Carhartt Workwear Pocket Sleeveless T-Shirt for Men is a great choice for outdoor work in hot weather, as wll as handy for layering on cooler days. Built of tough 6.75-oz. 100% cotton jersey knit, this sleeveless tee features a left-chest pocket for small tools, glasses, or pencils. Side-seamed construction minimizes twisting, and a tagless neck label eliminates chafing. This Carhartt sleeveless T-shirt also features clean-finished seams to enhance comfort, especially when youre on the move all day. All colors are 100% cotton except Heather Gray, which is 90% cotton/10% polyester. Machine wash. Imported. Carhartt style #: 100374. Type: Sleeveless Tee Shirts.