Well, generally speaking, there are many places you can buy them, for example, you can buy them on online shop, such as the find shop, which is a good online shop. You can find many different kinds of sunglasses there. And you can choose the pair according to the description and your own needs. By the way, for the prices, it can be 300 dollars. They are kind of expensive, but they are worth your money. They are UV protected, so they can protect your eyes. For they are UV protected, they can shield your eyes from the bright sunshine and avoid the UV rays. Besides, you should know that Paul smith sunglasses are made in Italy and are of good quality. Also, they combine the function and the fashion together. So you will look cool by wearing the. Anyway, they are kind of brand which are well worn by many people who like fashion.