Built to fit and built to last, the Smith Optics Prospect Polarized Sunglasses bold design makes a powerful first impression. Carbonic LTL lenses with an eight-base curvature provide high-quality, optically correct, distortion-free vision. Polarized lenses boast glare-free, 100% UV protection for increased contrast and depth perception. Evolve frames are over 53% bio-based, made from easily renewable, nongenetically modified castor plants. Hydrophilic megol nose and temple pads gripping power increases when wet.