Experience the cutting edge of sunglass design with Costa Ballast. These unisex shades, crafted in shiny black color and featuring solid gray lenses, boast a modern rectangle shape that exudes style and sophistication. The polarized lenses provide optimal protection from harmful UV rays while optimizing visual clarity for an enhanced experience on the water or in everyday life. Elevated by their high-performance technology, these sunglasses offer both style and substance so you can look good while feeling even better knowing you're wearing a pair that's built to perform at any activity level. Available with lens contrast enhancement technology.