Serengeti Sunglasses Cetera 7340 Dark Tortoise Brown Drivers Polarized Photochromic Prizm Black Polarised Dolce & Gabbana Sunglasses DG6145 CK 22557S 240 58#HH Dolce & Gabbana Sunglasses DG6145 501 87 Black Dark Grey are an elegant square shaped design made from lightweight acetate combining a bold Serengeti Sunglasses Cetera 7340 Dark Tortoise Brown Drivers Polarized Photochromic are a wrap around sporty sunglass with a lightweight durable construction and this model has the standard Drivers lens which is the cornerstone of the Serengeti lenses range with the superb optical performance and Spectral Control given by the superb manufacturing technology used by Serengeti to make these amazing photochromic lenses