Smith Defy Sunglasses Rimless Speed. Crisp Vision. All-Mountain Versatility. Whether you’re tearing up singletrack, pushing pace on a trail run, or just soaking in the view from the summit, the Smith Defy sunglasses are built to keep up. Designed for fast-moving fun with a rimless, ultralight frame and wide coverage, they deliver the comfort you forget you're wearing—until you notice how clearly you can see. With ChromaPop™ lenses that boost contrast and detail, plus a quick-swap interchangeable lens system, the Defy is as ready for variable light as you are. From sweat-soaked climbs to chill deck hangs, this is clarity without compromise. Key Features Vision ChromaPop™ lens technology heightens contrast and enhances natural color for a sharper view on all terrain. Smudge- and moisture-resistant coatings keep optics clean and clear, even when things get gritty. Interchangeable lenses make it easy to adapt to changing conditions on the move. Fit & Comfort Medium to large fit with broad lens coverage for unobstructed visibility. 5-base cylindrical shield lens provides a slight wrap for wind protection and sleek performance styling. Adjustable Megol nose pads and grippy Megol temples keep the glasses securely in place, no matter the pace. Frame & Function TR90 nylon frame is lightweight, flexible, and built to take hits without flinching. AutoLock hinges hold the arms open for easy, one-handed on/off—perfect for mid-ride changes or fast transitions. Why Choose the Smith Defy? The Defy is all about lightweight freedom, all-day comfort, and performance optics. Whether you're pushing limits or kicking back, this is your go-to for crisp, distraction-free vision and adaptable style.