Serengeti Bormio Sunglasses pair an ultra-light wrap-around frame with photochromic, polarized mineral lenses for clear vision during driving and outdoor activities. Key attributes: Matte Black | Nylon | Photochromic lenses | Polarized lenses | Spectral control | Mineral lens | Lens category 2-3 (suitable for driving and varying light) | Ultra-light frame | Includes protective case and microfiber cloth | Wrap-around silhouette | Sporty profile | Medium coverage | Dimensions & fit: 62 x 16 x 130 mm | Medium fit | Composition & care: Nylon frame | Mineral glass lens | Wipe lenses with a microfiber cloth and store in the protective case.