Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
This was part of an eight year olds Christmas parcel and now she doesn't want to wear anything else. When washed just drip dry on a hanger, so there's no ironing and it is very cool. Ideal for the tropics. Perhaps it's a little long.