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 usually wear a medium in sports bras. I went by their size chart and got a small as I generally wear a 34C. Boy I had a hard time getting it on and even a harder time getting it off. I should have just ordered what I usually wear.