Saint Laurent SL 596 DUNE sunglasses combine classic aviator proportions with tortoiseshell acetate frames and nylon lenses for reliable daytime eye coverage. Key attributes: Havana brown | Acetate | Nylon lenses | Tinted lenses | Double bridge | Full-rim frame | Aviator shape | Teardrop frame | Double bridge | Dimensions & fit: Lens width: 58 mm | Bridge width: 14 mm | Temple length: 145 mm | Composition & care: Acetate frame | Nylon lenses | Wipe lenses with a microfiber cloth; store in a protective case; avoid contact with harsh chemicals.