My head is very small, like an adult (circumference is about 21 inches) so I ordered a size 2-5. The hat fits perfectly, doesn't dangle at all, sits on the head. I just had to loosen it up a bit with the adjustable strap to get a comfortable fit. There was still room to tighten or loosen it if needed. I am very satisfied as I have ordered several different hats from different sellers which had fuzzy sizing and reviews only to be disappointed that they were too big. This hat is exactly what I was looking for and there are multiple color options that I will be purchasing.
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