What Our Gearhead® Experts Are Saying:"The Mashup is my go-to for pretty much anything outdoors. They're lightweight, stay put during hikes and runs, and the polarized lenses give me great clarity in bright sun. Bonus—they look good enough to wear around town after, too."True to its name, the Mashup Polarized Sunglasses blend the best of Optic Nerve’s sport and lifestyle designs into one ultra-functional, ultra-wearable pair of polarized sunglasses. Whether we’re powering through sun-drenched trails or relaxing at the campground, the Mashup delivers all-day comfort, eye protection, and low-key style that works anywhere. The lightweight frame is built for movement, staying secure without pinching or bouncing, while the polarized lenses cut through harsh glare on water, pavement, or snow. With a fit that accommodates a wide range of face sizes and a look that transitions from trailhead to town seamlessly, the Mashup is our go-everywhere, do-everything pair.