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.
Durable, bright, waterproof and light weight. I use for bicycle commuting. I appreciate how easily they slip over my shoes and other clothing. This benefit is also be an issue. They're a little baggy and the pants can rub together when I'm pedaling.