Part# 7359 Designed for Men/Women Medium Fit Base Curve: 8 Rx Temple Length: 132 mm Lens Size: 61 x 37 x 63 mm DBL 15 mm One year warranty from date of purchase (keep original packaging for first year) Polarized PhD CPG lenses Durability meets lightweight flexibility in the Nuvola. The rimless design gently rests upon your brow and maintains an ultra-clear field of vision thanks to the photochromic Polar PhD lenses. As the maker of the world's finest driving sunglass, we utilize only the very latest technologies and premium materials, coupled with the most talented professionals and designers. And the results are clearly superior. Serengeti sunglasses feature unparalleled attention to detail and intelligent refinements, and they exceed government and commercial standards when it comes to protection. They block out harmful UVA and UVB rays, while our advanced photochromic technology adapts to changing light conditions?behind the wheel and everywhere else you go. All together, our technology is designed so that you can effortlessly see every detail on the road.