Marine dress blues named to Henry C Manion who retired as a Sergeant Major. These are his late 50s early 60s used blues but I restored his final awards for display. Henry Know when to wear your uniform > U.S. Marine Corps Forces Reserve > Submit MARFORRES News There is now no Marine uniform that requires women to wear skirts Dress blues are the formal uniform worn by U.S. Marines for ceremonial occasions, official functions, and formal events, featuring distinctive dark blue coats, light blue trousers, white belts, and medals or ribbons