So you walk into the shoe store. You look here, you look there. Good God, that's a lot of shoes. They all look spiffy enough. If you ask, depending on where you are, you'll get either a shrug or a lecture on medial posts and curved lasts and ethylene vinyl acetate.
Shoes are a lot more complicated than they used to be.
Of course, the educated staff of any good running store can usually cut right through the confusion and help you find the right shoe without much fuss. All the same, it can't hurt to know a little something about running shoes and what makes a certain shoe the right one for you. Construction A primer on the stuff in your shoes and what it's doing there. Your Foot Explore the eccentricities of your own two feet. Buying Shoes Go get 'em.