Amazon calculates a product’s star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers, and factors that establish reviewer trustworthiness.
They run a little big, but extra socks and/or an insole added will solve that. Very lightweight, easy to clean and VERY comfy. I spend 8-10 hours a day in a professional kitchen and these are straight up awesome!