Oakley Heliostat OO9231 sunglasses combine a high-wrap sport-lifestyle silhouette with an O Matter frame, offering durable comfort and coverage for daily active use. Key attributes: Black | Nero Opaco | O Matter | High-wrap design for enhanced coverage | Reliable performance for active use | Versatile urban style | O Matter frame for resilience | Durable construction for dynamic conditions | Comfort designed for prolonged wear | Lens shape inspired by Fuel Cell | Sport-lifestyle silhouette | Elevated, contemporary lines | Dimensions & fit: High-wrap fit for enhanced coverage | Versatile for everyday wear