Oakley Sphaera sunglasses deliver a wide field of view and sport-focused performance. The lightweight O Matter frame paired with Prizm lens technology enhances contrast and retention during active use. Key attributes: Green | O Matter | Prizm lens technology for enhanced contrast | Impact protection | Lightweight and durable frame | No-slip grip when wet | Unobtainium nosepads | Molded-in earsocks | Front vent for airflow | Helmet- and hat-compatible fit | Shield wraparound shape | Extended field of view | Sport-oriented silhouette | Dimensions & fit: Caliber: 36 mm | Bridge: 136 mm | Temple: 130 mm | Lens height: 50 mm | Wide fit | High-bridge fit | Composition & care: Frame: O Matter | Lenses: Polycarbonate | Nosepads/earsox: Unobtainium | Clean lenses with a microfiber cloth and mild soap; avoid abrasive cleaners and high heat. Store in a protective case when not in use.