Silhouette 5515 Sunglasses blend ultralight titanium engineering with a distinctive geometric profile for comfortable, all-day wear and refined sun protection. Key attributes: Light blue | Blue | Titanium | Extremely lightweight | Hypoallergenic | Great wearing comfort | Screwless construction | Hingeless temples | Compatible with Silhouette Style Shades clip-on | Prescription-ready lenses | Includes hardcase and cleaning cloth | Geometric frame | 3-piece compression rim construction | Minimal rim profile | Dimensions & fit: 52/17/0 | Composition & care: Titanium (frame) | Glasant (lens) | Wipe lenses with a microfiber cloth and mild lens cleaner. Store in the supplied hardcase when not in use. Avoid abrasive cleaners and high heat.