Get this New Marine - Semper Fi Tshirt from the Command Post today. Our Marine Tshirts are printed on 6.1oz heavyweight, 100% cotton, preshrunk premium tshirts. The Marine Semper Fi Tshirt is available in sizes Small thru 3X Large. The Marine T-Shirt has a large Eagle, Globe and Anchor Design on the back and a small pocket size logo on the front. Order Now.