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Many people think a shoe fits just right if their toes gently graze the front of closed toe shoes. However, experts agree there should actually be about a half an inch between your toes and the end of the shoe. The reason: Your feet naturally swell toward the end of the day, and that bit of wiggle room is needed for maximum shoe comfort. In fact, the generally accepted “best time of day” to buy shoes is in the late afternoon and early evening, when your feet are at their biggest.