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.
Usually take size 4. It was good recommendation from here to order size 5. Thick pair of socks and wellies warmers make them really comfortable. Advise anyone to take same advice as there is nothing worse than squeezing into footwear too small..nippy toes! Ouch!