|| These Smith Skyline polarized sunglasses offer elegant coverage, protecting your eyes from the sun while complementing your style. Polarized lenses reduce 99% of visible glare from water, snow, sand and pavement for increased visual acuity and decreased eye strain. CR39 lenses provide 100% UVA/B/C protection and incorporate Smith Tapered Lens Technology(TM) to optimize viewing clarity. Tapered Lens Technology contours the thickness of the lens so that light travels through without distortion-what you see is what you get. 8 base-curve lens; (the higher the number the more curved the lens-Smith features sunglasses with 6, 7, 8 and 9 base curvature). Frames feature polarized brown lenses to eliminate glare and enhance contrast while maintaining accuracy of color transmissions. Durable handmade acetate frames feature wire-core temples for easy adjustability and secure fit. Frames have a medium fit with medium coverage. Smith Skyline polarized sunglasses include a protective case.