Gast Syntra Sunglasses pair a rounded acetate frame with sandstone nylon lenses for reliable sun protection and a timeless profile. Handmade construction and solid metal hinges make them suitable for daily wear and travel. Key attributes: Black | Sandstone | Acetate | 100% UVA/UVB protection | Category 3 lenses | Anti-reflective inside coating | Five-barrel metal hinges | Premium hard case included | Microfiber cleaning cloth included | Round frame | Full-rim design | Semi-flat lens profile | Handmade construction | Dimensions & fit: Front width 143 mm | Front height 49 mm | Lens width 53 mm | Lens height 42 mm | Temples length 145 mm | Bridge 20 mm | Composition & care: Acetate frame | Nylon lenses | Metal hinges | Clean lenses with the included microfiber cloth and lens cleaner. Store in the provided hard case. Avoid exposure to high heat and abrasive cleaners.