While sneakers constitute "casual" wear, you shouldn't be "casual" when choosing your workout footwear. With the onslaught of high-tech designs, innovative materials, and trendy styles, buying the right workout sneakers can be an intimidating experience. But finding the right shoe with the right fit is crucial for performance and injury prevention. Armed with the following information, you'll know what to look for in an athletic shoe, when to shop, and what to avoid.

If your budget is tight, realize that the most important purchase you can make for your workout gear is good-quality footwear designed for the activity you plan to do. For instance, if you walk for exercise you should not wear running sneakers--if you do, you