For more than a century, the zipper has stayed more or less the same: two interlocking rows of teeth, a sliding pull, and the fabric tape that holds it together. It’s one of those inventions that ...

Early reception is positive—with users testifying to flexibility, lighter weight, a more unifying design, and a better, more natural fit.

We zip our jeans, jackets, boots and bags without a moment’s thought. The humble zipper, that tiny row of interlocking teeth, is an invention we use every day—and just as often take for granted. But ...