Gast SERAI Classic sunglasses pair a handmade acetate frame with semi-flat nylon lenses for reliable sun protection and everyday wear. The design focuses on classic lines and functional details for comfortable, durable use. Key attributes: Brown | Acetate | 100% UVA / UVB protection | Anti-reflective inside coating | Semi-flat nylon lenses | Five-barrel metal hinges | Includes premium hard case | Includes microfiber cleaning cloth | Full-rim acetate frame | Aviator-inspired shape | Classic Havana pattern | Semi-flat lens profile | Dimensions & fit: Front width 143 mm | Front height 47 mm | Lens width 52 mm | Lens height 40 mm | Temples length 145 mm | Bridge 20 mm | Composition & care: Acetate | Nylon | Metal | Clean lenses with the included microfiber cloth; store in the protective hard case when not in use.