100% Quality Material Made in the USA Acetate frame Plastic lens Non-Polarized UV Protection Coating coating Lens width: 54 millimeters Lens height: 51.1 millimeters Bridge: 17 millimeters Arm: 146 millimeters STALE SANDBECH SIGNATURE SERIES: Whether it's backpacking forays into the mountains or jet setting to contests around the world, Norwegian snowboarder Stale Sandbech is always in pursuit of the next big adventure. His love of exploration inspired this Oakley Clifden style from his signature series collection, which features functional sport design elements like a 20” lightweight removable woven leash and interchangeable eye shields and blockers to protect against the elements. PATENTED HIGH DEFINITION OPTICS (HDO): Oakley's high definition optics provide superior optical clarity and razor-sharp vision at every angle as well as clarity and protection against impact and UV light, filtering 100% of UVA, UVB, UVC, and harmful blue light up to 400mm. OAKLEY PRIZM BLACK LENSES: These exclusive Prizm lenses are designed to enhance color, contrast and detail - coming in a range of color hues to match any style look. The grey tint on these lenses make it perfect to use when there's strong sunlight or intensified light that is reflected off water or snow. O-MATTER STRESS RESISTANT TECHNOLOGY: Each Oakley frame is lightweight and durable for all-day comfort and protection. It's injected with molded thermoplastic O-Matter frame that provides improved strength and flexibility, and is designed to withstand shifting or deforming over time. VISIT THE OAKLEY BRAND SHOP: Click on the Oakley link above to shop the entire Oakley collection. Polarization type: Non-Polarized