POLARIZATION: Through advanced lens technology, Suncloud polarized lenses filter and eliminate horizontally reflected, visually interfering light waves known as "glare"which results in superior visual clarity, definition, color transmission and comfort. LENSES: Polycarbonate material provides a great blend of impact resistance, optics, and are lightweight so you can comfortably wear them all day for your sport performance needs. 100% UV PROTECTION: All Suncloud lenses provide 100% protection for harmful UVA and UVB sun rays. Great for use during outdoor activities in any weather conditions. EVOLVE ECO-MATERIAL: Our proprietary Evolve material incorporates 53% bio-based material into our injected-polymer sunglasses. POLARIZED SIENNA MIRROR: The Polarized Sienna base lens tint eliminates glare while adding visual contrast under the multi-layer sienna mirror coating with 15% VLT. Sport type: Snowshoeing