I will spend almost any amount of money to keep my feet warm. These work well. They come up the calf and can fit under your leggings so they so a great job.
There are drawbacks: they are expensive and like all overshoes, they fall apart easily.
We use a simple one, two or three star rating system. One star for stuff we do not like, two stars for gear that is okay and three stars for equipment we recommend. We awarded this product 3 stars. All reviews and ratings represent our opinion only.