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.
Reallygood for light to moderate winters in Bangalore, Pune etc. Is soft. Is very light weight and has low volume footprint - so I can take this on a hiking trip or train journey. Will have to see how it reacts to washing cycles