Serengeti corleone sunglasses corleone offers a classic yet bold style thanks to its dramatic curves the contemporary slim temples complete its sophisticated silouhette and ensure high comfort serengeti pioneered photochromic technology and also engineer it into every lens that they make in bright conditions when uv radiation is more intense the lens molecules expand in size darkening the lenses and allowing them to absorb more light in darker conditions when uv radiation is less intens