Native Eyewear sunglasses are engineered for adventure seekers, incorporating state-of-the-art technologies. From their proprietary Polarized Crystal Carbonate (P.C.C.) interchangeable lens system to the custom-fitting Cushinol temple boots, every aspect has been painstakingly crafted to exceed the demands of the outdoor sports enthusiast. The polarized lenses provide sharp, crisp, glare-free vision with increased contrast and depth perception. All lenses offer 100% UV protection, the strongest anti-scratch coating and exceed the ANSI Z80.3 performance standards against high-velocity impact. Native sunglasses weigh less than 1 oz, offer amazing grip, have vented frames for a no-fog view and include an exclusive lifetime warranty. Each pair includes an extra sport flex, low-light, non-polarized lens. Size: 3.