Oakley Hyperlink optical frame pairs a modern square profile with durable O-Matter construction. Designed for everyday prescription wear, it delivers clear definition and a streamlined silhouette. Key attributes: Black | O-Matter | Durable O-Matter construction | Medium sizing for everyday use | Full-rim frame | Compatible with prescription lenses | Ships with demo lenses (replaceable) | Square frame shape | Satin black finish | Classic full-rim silhouette | Dimensions & fit: Lens width: 54 mm | Bridge: 18 mm | Temple length: 140 mm | Lens height: 39 mm | Size: 54 (medium) | Recommended for round and oval face shapes | Composition & care: O-Matter (frame) | Nylon (temples) | Wipe lenses with a soft microfiber cloth; avoid abrasive cleaners and solvents. Store in the supplied case when not in use.