Too large! The sizing chart says Medium (5) should fit 4-5 year olds but that is not the case at all. My average height son is 4.5 and Wednesday was HUGE! It will probably fit a child aged 6/7 or even 7/8. Traded in for a small one and it's still HUGE! The little one will probably fit a 6-6 year old child. Otherwise my son loves it a lot and it's a really cute shirt.
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