To calculate the overall star rating and percentage breakdown by star, we do not 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.
I ordered a size small for my 10 month old baby because the sizing chart said it would fit his length and age range. The small is supposed to fit babies 7-14 months old. We couldn’t get his foot into it at all.