Serengeti Bormio Sunglasses pair ultra-light acetate construction with adaptive, glare-reducing lenses for comfortable, all-day outdoor wear. Key attributes: Brown | Acetate | Polarized lenses | Adaptive photochromic lenses | Lightweight construction | Comes with case and microfiber cloth | Prescription lens compatible | Rectangle frame | Full-rim acetate frame | Sporty silhouette | Dimensions & fit: Lens width: 62 mm | Lens height: 37 mm | Bridge: 16 mm | Temple/arm length: 125 mm | Size 62 | Composition & care: Acetate | Wipe lenses with the included microfiber cloth; store in the supplied case when not in use. Avoid abrasive cleaners and solvents.