Combating the suns brilliance is a real challenge, especially for anglers who have to contend with the reflective and refractive properties of water. Costa Permit 580G Polarized Sunglasses are built to excel in such conditions, cutting through the glare of high seas sunshine and penetrating the scintillating surface to give you the best possible view of whats out there. Costas top-of-the-line high-tech lenses deliver a visual experience that goes well beyond polarization. Costa 580G Lightwave Glass lenses are 20% thinner and 22% lighter than average polarized glass. Not only do they block yellow light, but they also enhance reds, blues and greens for sharper clarity and greater definition. For top performance around the water, every lens style features a water-repellent coating and an anti-reflective coating. Costa Permit sunglasses ensure a high level of comfort, durability and performance due to the co-molded Hydrolite frame material that lines the glasses from temple to temple and the flexible hinges that keep these Costa sunglasses where they belong. Patented temple side vents keep the lenses clear. Choose between two lens colors. Blue Mirrorencapsulated mirrors deliver superior contrast and color in full sun and eliminate glare (gray base). Green Mirrorencapsulated mirrors enhance visual acuity and eliminate glare (copper and amber base). Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.