The zipper beat the button in the 1937 in the “Battle of the Fly,” when French fashion designers raved over zippers in men’s trousers. Esquire magazine declared the zipper the “Newest Tailoring Idea for Men” and among the zippered fly’s many virtues was that it would exclude “The Possibility of Unintentional and Embarrassing Disarray.” Obviously, the new zippered trouser owners had not yet discovered the experience of forgetting to zip-up. — About.com, The History of the Zipper

The zipper beat the button in the 1937 in the “Battle of the Fly,” when French fashion designers raved over zippers in men’s trousers. Esquire magazine declared the zipper the “Newest Tailoring Idea for Men” and among the zippered fly’s many virtues was that it would exclude “The Possibility of Unintentional and Embarrassing Disarray.” Obviously, the new zippered trouser owners had not yet discovered the experience of forgetting to zip-up. — About.com, The History of the Zipper