Ray-Ban RB1642 Optics features a polished, pillow-shaped acetate frame in a transparent blue and grey finish, designed for comfortable everyday wear. Ideal for prescription lenses, it balances durability with a modern, subtle look. Key attributes: Transparent Blue | Grey | Acetate | Durable acetate frame | Compatible with prescription lenses | Pillow shape | Polished finish | Transparent frame | Dimensions & fit: Lens width: 48 mm | Bridge width: 16 mm | Temple length: 135 mm | Lens height: 33.8 mm | Narrow fit | Composition & care: Acetate | Clean lenses with a damp or microfiber cloth and mild soap; avoid solvents or abrasive cleaners. Dry thoroughly and store in a protective case when not in use.