Zoggs Predator Flex Polarized Ultra Swim Goggles with polarized copper lenses. After an extensive testing phase with hundreds of swimmers of all skill levels and ages, Zoggs is now able to offer a swim goggle that adapts almost perfectly to individual face shapes and comfort requirements. Featuring Ultra-Fit seals designed for ultimate fit and comfort to ensure the lightest and most comfortable wear. The 3D Flexpoint has four flex points that allow the frame to fully conform to facial contours. These swim goggles are ideal for outdoor swimming, as the polarized lenses guarantee perfect visibility. Zoggs has even added UV protection, anti-fog, and CLT-Curved Lens Technology for additional protection and clear sight.