H&m Blue White Floral Dress Basic H And M Sundress Divided H&M Women's Floral Sleeveless Dress The striking red Blood Stripe boldly gracing the outer seam of Marine Corps dress blue trousers isn't mere decoration, but a profound badge of honor woven into the Corps' enduring legacy. H&M H&M Blue White Floral Dress on Designer Wardrobe 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