Oakley Sylas Sunglasses pair a lightweight O-Matter frame with Prizm lens technology to enhance contrast and provide reliable sun protection for daily wear. Key attributes: Gray | O-Matter | Prizm lens technology | 100% UV protection up to 400 nm | Lightweight construction | Ace Fit temples for customizable fit | Prescription-ready lenses | Rectangular frame | Hat-compatible temple design | Slim temple profile | Dimensions & fit: Lens width: 60 millimeters | Temple/arm length: 140 millimeters | Three-point Fit for precise optical alignment | Hat-compatible fit | Composition & care: O-Matter (frame) | Plutonite (lenses) | Clean lenses with a soft microfiber cloth. Rinse frames with lukewarm water and mild soap; avoid alcohol or solvents. Store in a protective case when not in use.