Take a tracing of your foot with you. Place any shoe you think you might buy on top of the tracing. If the shoe is narrower or shorter than the tracing, don’t even try it on.Shop for shoes during the afternoon — your foot naturally expands with use during the dayHave a salesperson measure both of your feet — and get measured every time you buy new shoes. Feet change with age, often growing larger and wider. If one foot is larger than the other, buy a size that fits the larger foot.