Marine Corps MOS 0331 Machine Gunner Certifies Stacker t-shirt. Hoodie and tank top also available. Digitally Printed on soft superior 100% Cotton, Triblend, 50/50 premium Soft Style Quality T-shirts. Not Slim Fit Size XXL is Heavy Cotton. The back of the design consist of two crossed Ka-Bars with certified stacker "blood and guts" U.S. Flag since 1775. The front of the design consist of the U.S. Flag with machine gunner, USMC, "mess with the best, die like the rest"