Designed to be loose fitting, it was typically worn over a white T-shirt and was tucked into the utility trousers. Though the lighter and quicker drying Tropical Combat Uniform had been developed in 1962, three years prior to the introduction of U.S ground troops in Vietnam, the utility shirt and trousers were still worn by infantrymen early in the war.
1. Military Specification MIL-S-3001C. (17 October 1958)
