Costa's 580 Polycarbonate provides high clarity, impact- and scratch-resistance along with lightweight all day wear-ability. Copper Silver Mirror Polarized is well-suited for environments with varying light such as inshore and sight fishing. Costa's Titanium frames provide durable, hypoallergenic and lightweight all day comfort. Costa case and cleaning cloth included to keep your Costa's safe while you are getting after it. If your Costa eyewear has a defect in materials or workmanship, Costa will fix or replace them to get you back on the water. Refer to Costa's Limited Warranties for detailed information.