Learn more about Costa Sunglasses Costa Cat Cay Polarized Sunglasses are perfect for sun-drenched activities. The lenses block 100% of UVA, UVB and UVC rays, and they filter out 99.9% of reflective glare, so you can easily see structures and fish beneath the water. Youd expect nothing less from sunglasses named for an island south of Bimini known as the birthplace of bluefin tuna fishing. Bold, wrap-style sunglasses with no-slip nose pads offer a natural fit that stays in place during any outdoor adventure. Front frame vents alleviate lens fogging. Open slots in the sunglass arms allow attachment of a retainer cord.Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.