Serengeti Sunglasses Bagheria 7789 Transparent Dark Tortoise Drivers Brown Polarized Gradient Smoke Grey The lens enhances colours and Brown Vintage Gradient Black The lens enhances colours and contrast for a better view of the world ahead a wire metal frame front and plastic temples featuring the Hugo Boss logo The handcrafted acetate frame has spring hinges and feature Serengeti's superb photochromatic lenses that cnahge quickly depening on the light conditions 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