If you dig retro-inspired shades but still want a modern pair of wear-all-day sunglasses, look no further than the Smith Flywheel. These sleek, raised-brow glasses have color-boosting ChromaPop lenses that bring unmatched clarity to your view. Whether you're trekking through the trees or walking amongst skyscrapers, the two-position nose pads keep your glasses in place no matter where you roam. Vision. ChromaPop lenses enhance contrast and natural color to make the details pop. Smudge and moisture resistant coating for easy cleaning and clear optics. 100% UV protection. Fit / Integration. Medium fit, medium coverage. Two-position adjustable nose pads. Megol nose pads provide nonslip grip so glasses stay put. Compatible with our optical docking system (ODS4) prescription lens insert. Frame. Lightweight, flexible and durable TR90 frame. AutoLock hinges hold frames open for easy one-hand on and off.