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.
There are seams and a large gather in the back that is highly uncomfortable. Would never buy again. Feels like something tight across my back right under my shoulderblades, not to mention the bulk in the middle of my back if I lay down.