Serengeti Sunglasses Carrara 8547 Shiny Silver Mineral Polarized 555nm Blue Prizm Dark Golf Persol Sunglasses PO3152S 1155Q8 Striped refined touch Persol Sunglasses PO3152S 1155Q8 Striped Blue Azure Gradient Blue are from the Galleria '900 collection which features models inspired by Persol's 1940's archive and these retro designs work so well in today's market with vintage appeal bigger than ever Saint Laurent Sunglasses SL 28 SLIM 001 Black Grey are a retro style with round lenses Photochromic lenses are Serengeti's speciality and the lightweight lenses will darken or lighten exceptionally well in differing light conditions here in the smaller size model