I bought these socks for a photo shoot and they were perfect! My 5 year old wore them often. In fact, they've become her favorite boot socks because they're so soft and the perfect length. She can wear them right over her boots or pull them up as high as possible to see with her tallest boots just above the knee. They are so versatile and fit fantastic. They will probably be too big for a 4 year old unless they have big feet. My 5 year old wears size 13 shoes and they are a bit large for her to be able to pull them up that high. But it works for us and will allow her to wear them for several years. We'll definitely be buying a spare pair, or even two. ;)
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