Oakley Marshal XS eyeglasses bring the adult-inspired Marshal silhouette to a smaller frame, delivering durable O-Matter construction and a three-point fit for stable, all-day wear. Designed for everyday optical use and available with Oakley prescription lens options. Key attributes: Black | O-Matter | Lightweight frame | Durable construction | Three-point fit for precise lens alignment | Improved grip with Unobtainium earsocks | Pinned cam hinge | Wire-core temples for adjustability | No-slip Unobtainium earsocks | Compatible with prescription lenses | Protective carrying case included | Rectangle frame | Adult-inspired Marshal silhouette | Demo lenses (replaceable) | Dimensions & fit: Eye sizes: 47 mm, 49 mm | Bridge: 15 mm | Temple: 128 mm | Frame height: 32 mm | Frame widths: S 113 mm | M 117 mm | L 122 mm | Narrow fit | High bridge fit | Available sizes: S (113 mm) | M (117 mm) | L (122 mm) | Available eye sizes: 47 mm, 49 mm | Composition & care: O-Matter (frame) | Unobtainium (earsocks) | Metal (wire-core temples) | Demo lenses (replaceable) | Clean lenses with a microfiber cloth; store in the protective case when not in use; avoid solvents and extreme temperatures.