Update: after 2 months of my son consistently wearing these shoes, the Velcro has worn so much that they do not stay put  anymore. Very disappointing. I changed my rating to 3 stars because my son still values these shoes as his favorite pair.
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These are true to size and my 3 year old son can easily put these shoes on all by himself thanks to the dual sided velcro. The Velcro is easy to adjust for a looser or tighter fit around the ankle. Im a fan of Under Armour!