These shades are a must have for anyone who loves the water. They are strong, light and they FLOAT!! Rheos unisex sunglasses are outfitted with the latest innovation in sunglass technology. Our Nylon Optics capture all the benefits of a glass and polycarbonate lens without the drawbacks. The lenses are clearer than glass and light enough to be the most comfortable shades to ever grace your face. What are you waiting for?!