United States Marine Corps Infantry MOS 0311 Combat Proven T-Shirt. Digitally Printed on soft superior 100% ring-spun Cotton, Triblend, 50/50 premium Soft Style Quality T-shirts. Not Slim Fit Size XXL is Heavy Cotton. The Infantry are amphibious warriors who provide versatility in chaotic and uncertain conditions of crisis and conflict. They employ a variety of weapons and systems. Through communications links, supporting arms, (artillery, naval gunfire, and close air support; sea-based) the USMC Infantry are capable of combat onto vital littorals in any climate or place, day or night, against opposing forces. The design consists of an infantryman wearing a jungle boonie hat shooting an m4-rifle and the words locate, close with, destroy, stay alert, stay aware, Infantry combat proven, Battle Tested since 1775. The front of the design has the U.S. flag next to the words USMC infantry since 1775, "mess with the best, die like the rest"