Oakley Permian Sunglasses combine a clean rectangular silhouette with Oakley's Prizm lens technology for improved contrast. Designed for everyday wear, they offer a lightweight, secure fit with included original case. Key attributes: Black | O Matter | Prizm lens technology | UV protection | Glare reduction | Includes original case | Injected temples for secure fit | Lightweight construction | Rectangle frame | Full-rim construction | Dimensions & fit: Eye: 59 mm | Bridge: 15 mm | Temple: 140 mm | One size | Best for round face shapes | Composition & care: Frame: O Matter | Lenses: Polycarbonate | Wipe clean; store in original case.