The Smith Interlock Spoiler Sunglasses keeps the wearer looking foresh with its full-frame design and sharp detailing. While it excels at keeping you looking good, where the Interlock Spoiler really shines is just keeping you looking. Smith Spoiler Sunglasses allow you to switch the polarized lenses with a simple twist of the temple. Spoiler sunglasses include three sets of Smith Optics Distortion-free, 8 base lenses which provide precise optical clarity and maximize coverage while minimizing peripheral exposure to sun, wind, and glare. The TLT Construction of the Smith Spoiler contours the thickness of the lens so that the light travels through without distortion. The lenses of these Smith optics glasses are carbonic, one of the most impact resistant lens materials available. Smith Interlocks also feature megol nose and temple pads on a premium TR90 Grilamid frame. For all day comfort, slip on a pair of Smith Interlock Spoiler Sunglasses. Available at TravelCountry.com.