Carhartt Large Regular Heather Gray Men's Work Wear Short Sleeve Pocket T-Shirt. Crafted from durable 6.75 oz. 100% cotton jersey knit, this shirt ensures comfort and longevity. The rib knit crewneck maintains its shape, while side seamed construction minimizes twisting for maximum comfort. A durable left chest pocket with sewn-on Carhartt label adds functionality, and a tagless neck label prevents irritation.