Ray-Ban ALAIN RX7239 8256 glasses combine a lightweight nylon frame with a clean rectangular profile. Designed for everyday prescription wear, they offer a refined look in opal dark blue. Key attributes: Opal dark blue | Nylon | Lightweight frame | Durable construction | Prescription-ready | Compatible with prescription lenses | Includes original Ray-Ban case (varies by retailer) | Rectangular shape | Geometric browline detail | Shiny finish | Dimensions & fit: Calibre: 52 mm | 54 mm | Bridge: 18 mm | Temple: 145 mm | Height: 39.0 mm | 41.0 mm | Composition & care: Nylon | Clean lenses with a microfiber cloth; avoid abrasive or chemical cleaners; store in the supplied case when not in use.