Oakley Field Day Optical Frame is a lightweight everyday frame from Oakley designed for active, on-the-go wear. It pairs O-Matter construction with no-slip Unobtainium earsocks for comfortable, stable use. Key attributes: Satin grey smoke | O-Matter | Lightweight frame | Durable for everyday use | Three-point fit for stable lens alignment | Unobtainium earsocks (no-slip) | Molded nosepads | Protective carrying case included | Cleaning cloth, certificate of authenticity and guarantee included | Full rim | Square frame | Available in two lens widths | Dimensions & fit: Lens width: 48 mm | Lens width: 50 mm | Bridge width: 14 mm | Bridge width: 15 mm | Temple length: 128 mm | Narrow fit | High bridge fit | Available sizes: 48 mm, 50 mm | Composition & care: O-Matter | Unobtainium | Wipe lenses with the included cleaning cloth and store in the original case. Avoid abrasive cleaners and solvents.