Bought for a costume for a play. Bought the adult small for a 5th grade child who is typically a youth large (should be the same size or run a bit big on her) and it was a bit small though, but we made it work. She was super adorable and it matched the character perfectly. However, the hat is ridiculously small for anyone. We had to pin it on her. We even put it on the 3rd grader and it was too small for her.