In my point of view, selecting a right pair of sunglasses to wear for riding motorcycles should not just pay attention to whether they are able to make you look cool, but also consider the quality as well as properties. Because motorcycle riders regularly meet difficult conditions and require protection from sunlight, wind, dust particles and so on. As for the types of motorcycle sunglasses, there are various sizes, features, safety standards, prescription and styles to meet different rides' needs. According to some experts, riders should mainly take visibility, frame size and polarization into account when choosing motorcycle sunglasses. Some online stores can show you some types or samples. Try: http://www.motorcyclesunglasses.org/