Gast Piano Classic sunglasses combine a handmade havana acetate square frame with green, anti-reflective nylon lenses for reliable sun protection and a timeless silhouette. Designed for everyday wear, they come with a protective hard case and cleaning cloth. Key attributes: Brown | Havana | Acetate | 100% UVA/UVB protection | Anti-reflective inside coating | Semi-flat nylon lenses | Five-barrel metal hinges | Includes hard case | Includes microfiber cleaning cloth | Handmade construction | Square frame | Classic havana tortoiseshell pattern | Full-rim acetate frame | Dimensions & fit: Front width 141 mm | Front height 49 mm | Lens width 52 mm | Lens height 41 mm | Temples length 145 mm | Bridge 20 mm | Composition & care: Acetate frame | Nylon lenses | Metal hinges | Clean lenses with the included microfiber cloth and mild lens cleaner. Store in the supplied hard case when not in use. Avoid abrasive cleaners and prolonged exposure to heat.