These are very comfortable. They keep my feet warm enough that my feet perspire a little so that I wear socks. I prefer to have loose fitting slippers. With most slippers that I have had if they are big they tend to fall off. These have no problem staying on my feet even though the back is low.
Highlights:
Very durable
Easy to clean
Non slip
Come in boring colors so that my wife does not steal mine
Bad point:
One pair is not enough. Will need a second pair for your spouse