Gast Jan Classic sunglasses combine a handmade acetate frame with protective lenses and robust hinge construction for everyday wear and reliable sun protection. Key attributes: Brown | Acetate | 100% UVA/UVB protection | Anti-reflective inner coating | Five-barrel metal hinges | Includes hard case and microfiber cleaning cloth | Custom wire core for stability | Rectangular full-rim frame | Handmade acetate construction | Modern classic style | Dimensions & fit: Lens width: 49 mm | Bridge: 23 mm | Temple length: 145 mm | Composition & care: Acetate (frame) | Nylon (lenses) | Metal (hinges) | Wipe lenses with a microfiber cloth and lens cleaner. Store in protective case when not in use. Avoid abrasive cleaners and prolonged exposure to heat.