Costa Ballast sunglasses is a member of the super-light frame-less collection and weighs only 16 grams! The TR90 nylon Costa Ballast is extremely durable and built for lasting comfort. Top it all off with Costa's premium lenses, and you've got a pair of sunglasses that's at home in, on, and around the water. Prescription needs? No problem. Our expert opticians will gladly deliver your custom-built Costa Ballast prescription sunglasses.
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