Silhouette Biscayne Bay Sunglasses combine a sporty, streamlined silhouette with advanced lens technology for all-day visual comfort. This model is designed for lightweight wear and adaptive sun protection. Key attributes: Gray | White Cool Grey | Light Q Grey | SPX+; Hightech titanium | UV 400 protection | Photochromic (adaptive) lenses | High-impact polycarbonate lenses | Screwless frame construction | Prescription ready | Includes hardcase and cleaning cloth | Streamline sporty silhouette | Curved base 8 | Frame shape 8727 | Dimensions & fit: Lens width 64 mm | Bridge 14 mm | Temple length 130 mm | One size (taglia unica) | Composition & care: SPX+ | Hightech titanium | High-impact polycarbonate (lenses)