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.
The blue color is absolutely beautiful. The black was perfect. It paid to read the sellers size chart vs. Amazon's. The fit was perfect, the length perfect and the lines fabric was descent. I also liked the invisible zipper in the back.