Which of these globally recognized retail brands originated during WWII as a military product before becoming a commercial success?

The intersection of military history and retail innovation has produced some fascinating success stories. One particular retail brand that emerged from World War II went on to become a household name worldwide. This trivia question explores how military necessity sparked retail innovation that continues to impact consumer markets today. Test your knowledge about this famous brand's wartime origins and its journey from battlefield utility to global retail phenomenon.

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Jeep - Originally designed as a military vehicle for the U.S. Army before becoming a civilian automotive brand
Oakley - First created specialized goggles for fighter pilots before expanding into consumer eyewear
Columbia - Developed weatherproof jackets for naval officers before launching commercial outdoor apparel
Timberland - Initially produced waterproof boots for infantry soldiers before entering the civilian market