Features:- Premium Polarized 580 Lenses. Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses.- 100% UV Protection. Your Costas absorb 100% of UV light, providing you the best in light management and protection.- Adjustable Nose Pads. Fully-adjustable, nonslip nose pads were designed to further customize your fit and help reduce fogging.- Scratch Resistant and Durable. The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning.- A reimagined version of the most trusted tool of the seaplane pilots of old, the Costa South Point sunglasses bring a timeless, old school look to any occasion. Equipped with metal frames and polarized lenses, these Costa men's and women's sunglasses are ready to take a day in the sand or at sea to new heights.- Copper Silver Mirror.- Well-suited for stream fishing and other environments with varying light.- Copper Base.- 12% light transmission.- Optimal usage.- Excellent for sight fishing.- Everyday activities.- Most versatile.- Cloudy days.- Costa 580® lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short.- The lens' multipatented technologymanages light by:- Absorbing Harmful High-Energy Blue Light (HEV).- Enhancing Reds, Greens, and Blues.- Filtering Out Harsh Yellow.