FRAME: Evolve is a proprietary eco-conscious frame material aimed to reduce the use of petroleum in eyewear manufacturing. Evolve is a 53% bio-based frame material derived from renewable, non-genetically modified castor plants. Suncloud Evolve frames are lightweight and durable, while offering flexibility, high elasticity, remarkable toughness, and excellent chemical resistance. 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. All Suncloud lenses provide 100% PROTECTION for harmful UVA and UVB sun rays. LIFETIME WARRANTY: Unparalleled frame fit, value and polarized lenses, all backed by our genuine lifetime warranty. FIT: Medium fit and coverage, 6 base lens curvature for a modest wrap, DIMENSIONS: Lens width 56mm; Bridge width 20mm; Lens height 46mm; Temple length 133mm, INCLUDES: Microfiber cleaning/storage bag Sport type: training