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 shirt is of excellent and durable quality. The look and feel of the shirt are very good. It is comfortable to wear and is of the correct size and fit. I am completely satisfied with the shirt. I recommend purchasing this shirt to everyone.