Calcutta's Horseshoe sunglasses with polarized lenses and rubber-coated ear and temple pads will protect your eyes and keep you comfortable out on the water. And you'll look like royalty when you return to the dock. 100% UV protection. Corrosion resistant polarized lenses with extra lens coating to reduce mirror lens flaking. 1.0mm Triacetate (TAC) polarized lenses. Fade-resistant frame. Integrated hinge will stand up to repeated use.