It's no secret we love us a button fly, but sometimes, you need a zipper. Meet the original zip fly from 1967, our 505™ Regular. With its versatile straight leg and classic style, this fit suits all body types and goes with pretty much everything.The original zip fly, created in 1967Cut with a comfortable, roomy fitWoven with non-stretch fabricEngineered to keep you cool and wick away moistureMade with REPREVE®, a recycled polyester fiber. REPREVE® is a registered trademark of Unifi, Inc.