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 these for my sister who is an avid runner. She is of the opinion these are the best running tights she has ever worn. They stay put and wash really well - so much so, she has bought more pairs.