Ray-Ban Chromance Sunglasses combine Chromance color-enhancing lens technology with polarized protection, ideal for driving and bright outdoor use. Key attributes: Gray | Plastic | Polarized lenses | 100% UV protection | Chromance lens technology for enhanced color and contrast | Mirror-coated lenses | Full-rim frame | Square shape | Shiny finish | Chromance mirror detail | Dimensions & fit: Lens width: 58 mm | Bridge width: 18 mm | Temple length: 145 mm | Lens height: 46.5 mm | Medium-large fit | Composition & care: Plastic frame | Polycarbonate lenses | Wipe lenses with a microfiber cloth and store in the protective case.