- Look closely at the zippers around you, and there's a good chance you'll find the same three letters. YKK. They're on everything from clothes, backpacks, and furniture, to NASA spacesuits.- Zippers are often considered extremely small components in the textile world, but for our products, zippers are very often a critical component to the performance of the suit. - It's so ubiquitous that we live with it and work with it without even knowing. - YKK sold 10 billion zippers in a year.We always think about w ...