Michael Kors Key West Sunglasses deliver an oval silhouette in a lightweight metal frame for everyday sun protection. The light grey gradient lenses provide clear sightlines with full UV400 sun protection. Key attributes: Black | Metal | Propionate | UV400 protection | Category 3 gradient lenses | Prescription lens compatible | Lightweight frame | Oval frame | Full-rim | Dimensions & fit: 53-18-140 mm | Lens width: 53 mm | XL fit | Composition & care: Metal | Propionate | Wipe lenses with a microfiber cloth and lens cleaner. Store in a protective case when not in use. Avoid abrasive cleaners and high heat.