Zadig & Voltaire SZV407 Sunglasses combine a square acetate frame with a shiny black finish for a refined, everyday look. Prescription-ready construction makes them practical for daytime wear. Key attributes: Black | Shiny black | Acetate | Non-polarised lenses | Prescription-ready | Square frame | Shiny finish | Acetate frame | Dimensions & fit: Caliber 54 mm | Bridge 18 mm | Temple length 140 mm | Composition & care: Acetate | Clean lenses with a microfiber cloth; store in a protective case; avoid exposure to high heat.