Over-the-counter insoles can improve the fit and function of a running shoe, and some promise to do everything from reducing foot fatigue and plantar fascia strain to increasing running efficiency.

What to look for A thin gel or foam cushion that covers the ... or ask if you can return an opened package if there's not enough room for the insole inside your shoe. We liked The 2oz.

Getting a thin insole for your high heels can make a huge difference in the amount of support you are getting. Insoles provide support to weaker areas of your foot so your weight can be properly ...