Oakley Shackle OO9507D 950706 sunglasses combine a lightweight O-Matter frame with Prizm lens technology to boost contrast and clarity for everyday and outdoor wear. Key attributes: Green | O-Matter | Prizm lens technology for enhanced contrast | Lightweight frame for all-day comfort | UV protection | Adjustable wire-core temples | Unobtainium® earsocks | Prescription-ready | Square frame | Full-rim silhouette | Dimensions & fit: Lens width: 52 mm | Bridge width: 18 mm | Lens height: 46 mm | Temple length: 137 mm | Composition & care: O-Matter frame | Plastic lenses (Prizm) | Clean lenses with a microfiber cloth; avoid abrasive cleaners; store in a protective case when not in use.