How do I learn more about Smith sunglass technologies? You can read all about our sunglass tech including ChromaPop™, MAG™, visible light transmission, and fit, on the Smith sunglasses tech page here. Have more questions? Submit A Request Related articles What type of eyeglass and sunglass lenses do you offer? How do I choose the right lens for the light condition? Warranty Policy How do I learn more about Smith bike helmet technologies? What is Polarization?