My child is 39" and usually wears 4T. This 4T fit her perfectly. These leggings are not too tight around the hips and legs which seems to make them more comfortable. And they appear to be a bit longer (maybe 0.5" or 1") than other brands' 4 ton leggings. And that's a good thing, because my child has very long legs! Comfortable, soft and not thin. Great leggings.
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