Ray-Ban Explorer IV Sunglasses blend a modern irregular silhouette with a polished metal frame for a refined everyday look. The design is offered with crystal lenses for improved clarity and optional polarized protection for outdoor wear. Key attributes: Black | Nero | Metal | UV protection | Polarized lens option | Crystal lens material | Adjustable nose pads | Includes protective case | Prescription lens compatible | Irregular frame shape | Double bridge | Polished metal finish | Full-rim frame | Dimensions & fit: Available sizes: 60-18-140, 62-18-140 | Lens width: 60 mm | Bridge width: 18 mm | Temple length: 140 mm | Lens height: 43.1 mm | Narrow fit | Composition & care: Metal frame | Crystal lenses | Clean lenses with a soft microfiber cloth and mild soap when needed. Store in the protective case when not in use. Avoid exposure to high heat and harsh chemicals.