Carrera 310 Sunglasses combine Carrera’s signature retro panto silhouette with a durable acetate frame and an available blue-filter lens for reduced glare and everyday wear. Key attributes: Black | Blue Filter | Acetate | Prescription-ready | Blue Filter lens option | Flexible temples (flex hinges) | Compatible with prescription lenses | Panto (round) shape | Full-rim frame | Keyhole bridge | Fin-style temples | Carrera logo detailing on temples | Dimensions & fit: Lens width: 48 mm | Bridge width: 21 mm | Temple length: 145 mm | Composition & care: Acetate | Clean lenses with a microfiber cloth and lens cleaner. Store in the included case when not in use.