Serengeti merano sunglasses polarized driver dark demi tortoise frame meranos fashionable and sophisticated nylon frame makes for a timeless look its equipped with metal accents on the temples and advanced lens technology all serengeti lenses offer the latest in photochromic technology which constantly lightens and darkens throughout the day to ensure you see every detail serengeti merano warranty 12 months from the date of purchase features name merano 7333 brand serengeti