Finding the perfect pair of sneakers can be just as hard as finding the perfect bathing suit. It can take visits to several stores to try on dozens of different styles until you find the correct fit. So don’t wait to buy new sneakers until your current pair begins falling apart, or you start to feel pain in your knees, shins, or lower back.

Buy a new pair before it’s time to retire the old ones, and not only will you avoid the stress of rushing to find the perfect pair, but you’ll also have time to gradually break them in by alternating between wearing your old and new pair.

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Fit Tip: Don’t Wait to Buy New Sneaks