​REI which stands for Recreational Equipment, Inc., has a very long history in the US and beyond as a provider of clothing, shoes, and gear for nearly every sport imaginable, indoors and out. Just as there are countless ways to enjoy sports and recreation, there are countless ways to save money on everything that you will need to enjoy those sports. First, and probably foremost is the chance to make your recreation dollars work for you with a REI membership. The fee is $20 for a lifetime.