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 Evening Dress Female Marine Officer Dress Blues USMC FEMALE OFFICER DRESS BLUE COAT MARINE OFFICER WHITE COLLAR LINER INSTERT DRESS BLUE WHITE UNIFORM SZ 15 1 2 19 eBay Marine Corps Major officer Evening Dress uniform USMC black tunic & black pants #526966440 Alex Evenings Bella Sequin Lace Dress Shell Pink 8 Royal Marine Officer (Number 1 Dress) "Blues" Parade Uniform. Colonel Staff Officer History in the Making