Gast Piano sunglasses combine a handmade acetate frame with semi-flat nylon lenses for reliable sun protection and a modern rectangular silhouette. Ideal for everyday wear, they pair classic Havana styling with technical lens features. Key attributes: Brown | Classic havana | Acetate | 100% UVA/UVB protection | Anti-reflective inner coating | Semi-flat nylon lenses | Handmade construction | Five-barrel metal hinges | Includes hard case and microfiber cleaning cloth | Rectangular geometric shape | Havana acetate finish | Mazzucchelli 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 | Comfortable fit | Composition & care: Acetate | Nylon | Clean lenses with the included microfiber cloth and store in the protective case.