Serengeti Cambria Large combines an Italian-made acetate frame with ultra-light mineral photochromic lenses for clear, comfortable vision in bright and changing light. Designed for a refined oval silhouette, it balances bold presence with everyday wearability. Key attributes: Black | Acetate | Photochromic lenses | Polarized | Spectral Control technology | Ultra-light mineral lens | Category 3 lens protection | Antireflective coating | RX not available | Refined oval silhouette | Full-rim acetate frame | Shiny black finish | Dimensions & fit: 52x21x150 | Medium large fit | Composition & care: Acetate | Mineral glass lens | Clean lenses with a microfiber cloth and mild soap. Avoid abrasive cleaners and exposure to extreme heat. Store in a protective case when not in use.