Paying tribute to a sleepy island about 8 miles south of Bimini - once the infamous hideout of Blackbeard the Pirate - Cat Cay is known as the birthplace of another legend: Bluefin tuna fishing. Costa Cat Cay performance sunglasses are a rugged and tough tool of any Angler looking for the best performing fishing sunglasses on the water. Polarized, mirrored options, 580 lenses and boasting a patented vented system, these Costa Men&';s fishing sunglasses are the choice of those who aim to make their own watery legend. a Premium Polarized 580 Lenses* Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses. a 100% UV Protection Your Costas absorb 100% of UV light, providing you the best in light management and protection. a 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 Costa 580A(R) lenses Costa 580A(R) lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short. The lens&'; multipatented technology manages light by: a Absorbing Harmful High-Energy Blue Light (HEV) a Enhancing Reds, Greens, and Blues a Filtering Out Harsh Yellow