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.
Fitting is perfect. Material is polyester so it may not be comfortable during summer& outdoor activities. On the website it looks like fluorescent green & description says "multicolor" but it is actually yellow. Otherwise a decent product for the price.