Experience the next generation of sunglass technology with Costa Blackfin. These matte black frames are designed with a phantos shape for all day comfort. The lenses feature blue mirror coating and provide optimal clarity, allowing wearers to effortlessly transition from land to sea. Engineered with integrated ventilation channels, these sunglasses ensure breathability and eliminate fogging in both warm and cool environments. Elevated style meets cutting-edge performance with this versatile design crafted from durable materials that offer lasting quality and protection against harmful UV rays.