Ray-Ban RB3947 Sunglasses combine a geometric metal frame with glass lenses for clear, everyday sun protection. The model stands out for its refined metal construction and adjustable nosepads. Key attributes: Gold | Brown | Metal | Crystal (glass) lenses | Adjustable nosepads | Available in two lens sizes (54 mm, 57 mm) | Compatible with prescription lenses | Geometric frame | Full-rim metal construction | Shiny finish | Dimensions & fit: 54-18-145 mm (lens width - bridge - temple) | 57-18-145 mm (lens width - bridge - temple) | Lens height: 32 mm (54) / 34 mm (57) | Temple length: 145 mm | Bridge: 18 mm | Composition & care: Metal frame | Glass lenses | Wipe lenses with a microfiber cloth. Avoid abrasive cleaners and solvents.