Oakley BiSphaera Sunglasses combine a dual-lens performance design with Oakley’s Prizm lens technology for enhanced contrast and detail. Built for multi-sport use, they feature a lightweight O Matter frame and no-slip Unobtainium nosepads for secure, all-day wear. Key attributes: Gray | O Matter | Prizm lens technology for enhanced contrast | Impact protection | Lightweight and durable | Unobtainium nosepads and earsocks for no-slip grip | Prescription-ready | Twin-lens design | Pillow shape | Dimensions & fit: Size: 68 mm | Bridge: 6 mm | Temple: 136 mm | Height: 41 mm | Composition & care: Frame: O Matter | Lenses: Plutonite / Polycarbonate | Nosepads and earsocks: Unobtainium | Clean lenses with the supplied Microclear cloth; hand wash and air-dry the Microclear bag regularly.