- Long-lasting, heavyweight 6.75-ounce, 100 percent cotton jersey knit remains durable and comfortable. Rib-knit crewneck that holds its shape throughout the workday. Side-seamed construction minimizes twisting and maximizes comfort. Durable left-chest pocket with sewn-on Carhartt label keeps items close at hand. Tagless neck label that doesn't scratch so you can focus on your day.