I ordered this raincoat for my six year old daughter and she loves it. My tall, skinny kid usually wears a size 7-8, but I've gone up to a size M. It's big on her, but not as big as it looked out of the box. I suspect if we were true to her size and ordered a small she would fit perfectly but she would quickly outgrow her. It's lightweight, which we love on warm, rainy days. She can always wear a sweatshirt underneath on cold days. We both think it's a nice bonus to put in your pocket and it's…