Oakley Field Day Optical Frame combines a lightweight O Matter™ construction with no-slip Unobtainium® earsocks for everyday comfort and reliable wear. Designed for easy prescription fitting, it balances performance and everyday style. Key attributes: Polished grey smoke | O Matter | Lightweight construction | Durable frame | Compatible with prescription lenses | No‑slip Unobtainium earsocks | Includes original case and cleaning cloth | Comes with certificate of authenticity and guarantee | Prescription-ready frame | Rectangular shape | Polished finish | Laser‑etched Oakley logo | Dimensions & fit: Size range: S (115mm) to L (124mm) | Size: L (124mm) - fits most people | Narrow - High bridge fit | Composition & care: O Matter frame | Unobtainium earsocks