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 fitAiry. Breathable. Light. This garment was made with Linen+ Denim, a blend of linen and cotton to keep you looking good and feeling comfortable.