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 because they have adjustable straps. However, most of the strap is not actually adjustable. The adjustable portion is less than half the overall strap. Adjusting the strap to its smallest possible size results in straps that are no where near tight enough to make this product useful. I bought this to cover my cleavage under a shirt I want to wear to work. This product just kept slipping down all day defeating the purpose.