The Contra is built with simple organic lines and features wider temples to produce an instant classic that outdoorsmen and women both love. Designed with comfort and durability in mind, the Contra provides a comfortable fit and coverage for a wide range of face shapes and sizes. POLARIZED LENS TECHNOLOGY 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. Optic Nerve lenses provide 100% UV Protection. 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. Tech Specs Frame Shape: Sportwrap Grip System: Anti-Slip Ergonomic Frame Frame Material: GRS Recycled Plastic Lens Material: TAC Nylon Polarization: Polarized Impact Rating : ANSI Z80.3 UV Rating: 100% UVA / UVB Protection Best For: Fishing, Water Sports, Roads, Trails, Snow, Everyday, Travel, Driving In the Box: Soft Case Size and Fit Size: Medium Fit: Standard Unisex fits a wide range of faces.