Serengeti Sunglasses Carrara 8554 Shiny Gunmetal Mineral Polarized 555nm Green Grey 1500 AR Silver Mirror Porsche Design Sunglasses P8616 B Polaroid Sunglasses PLD 6218 Porsche Design Sunglasses P8616 B V379 Light Gold Brown are an ultra lightweight design with a truly unique and perfectly engineered look with unusual bridge detailing and sweeping curved semi rimless frame for a very modern urban style typical of Porsche Design Valentino Sunglasses VA4089 50018G Black Black Gradient are a timeless cat eye design made from lightweight acetate here in the smaller size model Photochromic lenses are Serengeti's speciality and the lightweight lenses will darken or lighten exceptionally well in differing light conditions