clipped from: content.clipmarks.com Picking the right shades for being practical and functional is all about reading the labels and the tags. On just about every pair of sunglasses out there, there will be something to indicate just how strong the glasses are at protecting your eyes. This will generally be measured in percentages in how well you can expect the sunglasses to perform. Also, you will want to make sure that they are made out of solid material and that they appear to be put together very well. This will help make sure that your money is not going to waste and that you are placing your money and time into something that is a good investment.