Christian Louboutin Kate Sunglasses pair a sculpted oval acetate frame with high-performance Zeiss smoke gradient lenses for statement style and reliable optical performance. Key attributes: Black | Negro brillante | Acetate | High-performance Zeiss smoke gradient lenses | Comfortable and durable lens construction | Suitable for prescription lenses | Oval frame silhouette | Sculpted curved acetate frame | Pale gold palmette pattern on temples | Red sole signature on hinges | Dimensions & fit: Lens width: 55 mm | Bridge: 17 mm | Temple length: 135 mm | Composition & care: Acetate | Store in original case away from heat and humidity. Clean regularly with a soft cloth. Avoid harsh chemicals and dry gently.