USMC 0331 Infantry Machine Gunner Creed Hardcore Semper Fidelis Hardcore Leatherneck Cotton Tee. Hoodie and tank top option 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 Design consist of the united states marine corps infantry machine gunner creed with artwork of a loaded m249 machine gun with MOS 0331.