Serengeti carrara sunglasses carrara is an updated and improved medium aviator they took the classic medium aviator eye and improved the frame design adding a more contemporary temple with a hidden double flex spring hinge for a wider fit range added to carrara is the new polarized 555 blue mirror and polarized sedona lens with the unmatched serengeti ultra light weight photochromicas others and here is the ultimate classic serengeti pioneered photochromic technology and also engineer