The Costa Cut 580G Polarized Sunglasses are equally at home on the water or beach. These Costa sports and fishing sunglasses have 580G LightWave polarized glass lenses for maximum clarity, reduced glare, scratch resistance and a lightweight feel thats 20% thinner the other glass lenses. Youll see things like youve never experienced them before, with reduced eyestrain, enhanced color, and amazing views on the water. Costa Cut 580G Polarized Sunglasses boast a rugged TR-90 nylon frame, integral hinges, and a comfortable large fit, ensuring all-day comfort and style. Imported. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.