What is the fly on jeans? Denim FAQ answered by Denimhunters

The fly is the front opening at the top of jeans where you'll find either buttons or a zipper. On jeans, the top button is also uncovered.

Selvage Denim – Nudie Jeans®

Raw Denim FAQs: Fading and Washing - Denimhunters

The Great Denim Debate: Button Versus Zipper - Levi Strauss & Co : Levi Strauss & Co

The Denim Encyclopedia by Denimhunters - answers to all denim FAQs

Button fly? Zipper fly?

Vintage Levi's Patched 'Big E' 501 Jeans From 1960's - Long John

What is the fly on jeans? Denim FAQ answered by Denimhunters

The Denim Encyclopedia by Denimhunters - answers to all denim FAQs

The Pros and Cons of Button-Fly Jeans - PureWow