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.
I bought Puma sweatpants a few years ago from Amazon and they were great; perfect fit and perfect length. I bought this pair in the same size and they were tight and uncomfortable, and the length was too short.