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 got these socks as a gift for my brother-in-law. They do not feel like they will last more than a few years depending on how often he wears them but that wasn't really the point of them. They are cute.