Which luxury fashion house collaborated with the U.S. military during WWII to develop specialized waterproof equipment used during the D-Day landings?

During World War II, many civilian companies contributed to the war effort through manufacturing and innovation. Some of these unexpected brand collaborations resulted in iconic military equipment that helped shape the outcome of the war. This poll tests your knowledge about one famous partnership that created essential equipment for D-Day operations.

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Louis Vuitton, creating waterproof map cases for naval officers
Burberry, designing the iconic trench coats for amphibious landing forces
Gucci, producing specialized waterproof boots for infantry units
L.L.Bean, manufacturing the waterproof footwear that became known as 'duck boots' for naval personnel