To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
This product runs VERY small. My daughter wears a 5T and I bought this in a 5. It's very small, tight fitting and the sleeves (which should be arm length, are about half way between her elbow and wrist.) Otherwise, great quality.