Serengeti Sunglasses Bagheria 7789 Transparent Dark Tortoise Drivers Brown Polarized Lacoste Slender temples feature the Michael Brown Gradient Slender temples feature the Michael Kors logo for brand authenticity The Polar logo is engraved in the temples for brand recognition Serengeti Sunglasses Bagheria 7789 Transparent Dark Tortoise Drivers Brown Polarized are a modern fashionable style taken from the Cosmopolitan collection by Serengeti which use the latest technology but with a contemporary update The handcrafted acetate frame has spring hinges and feature Serengeti's superb photochromatic lenses that cnahge quickly depening on the light conditions