Serengeti Sunglasses Alray 8946 Matte Brown Mineral Polarized Drivers Brown Grey Smoke Polarized 0 XL OO9188 68 Matte Black Brown Mirror Polarized 0 XL OO9188 68 Matte Black Prizm Black Polarized are taken from their Performance collection from Oakley with a standard size frame which features an enhanced lens coverage with a deeper lens on the semi rimless frame which is given even more grip than previous incarnations with the stems as well as the nose pads fully covered with unobtanium that grips more with perspiration The retro keyhole bridge and silicone nose pads provide an all round comfortable fit The Ultra light mineral glass lenses feature the superb spectral control and photochromic technology that sets Serengeti apart Serengeti Sunglasses Alray 8946 Matte Brown Mineral Polarized Drivers Brown are a classic clubmaster style but with the excellent photochromic lenses that are Serengeti's forte