The Cruzin&'; has everything you need in a pair of wayfarer sunglasses: timeless style, polarized lenses, and a universally flattering fit. We love it for its classic look which makes it the epitome of cool. Unisex, fits a wide range of face sizes. WHY WE LOVE THEM: A classic silhouette updated with wood for a premium feel that doesn&';t sacrifice the universal fit we love FEATURES AND BENEFITS Optic Nerve sunglasses are essential gear to keep your eyes healthy and make sure that you see the world as clearly as possible. Whether you&';re on the water to the trail, these lenses are built to perform. 100% UVA / UVB Protection: Block 100% of UVA / UVB radiation, regardless of the tint, to keep your eyes safe in all conditions. Polarized Lenses: These lenses filter out 99.9% of reflected light off water / reflective surfaces revealing true colors and sharper details. Eco-Durable Materials: Planet-friendly materials and conscious manufacturing to create gear that&';s durable for your adventures and responsible for the planet. POLARIZED LENS TECHNOLOGY Optic Nerve lenses provide 100% UV Protection. Polarized lenses are designed to reduce glare. Polarization is recommended for bright sun and variable light conditions. Benefits are fully maximized on or around water or reflective surfaces. Size and Fit Size: Medium Fit: Standard Unisex fits a wide range of faces. Tech Specs Frame Shape: Wayfarer Grip System: Anti-Slip Ergonomic Frame Adjustability: Spring Hinges Frame Material: FSC Certified Natural Wood Lens Material: TAC Nylon Polarization: Polarized Impact Rating: ANSI Z80.3 UV Rating: 100% UVA / UVB Protection Best For: Everyday, Fishing, Water Sports, Roads, Trails, Snow, Travel, Driving In the Box: Soft Case