My hubby usually sits in front of his computer all night with socks on and comes into bed and tries to warm his cold feet up on me. He went on Amazon to get the warmest slippers he could find. He found these and told me about it immediately. I have hypothyroidism so my feet are always cold and we live in a Northern State. I have a few pairs of slippers to try and keep my feet warm but these are my favorite. They feel like you are walking on something soft the whole time although they have a hard sole. My life is almost perfect now I am no longer needed in the capacity of a foot warmer. My toes have never been warmer and that is a big accomplishment. I have never felt that it makes my feet sweaty or too warm like some other reviewers have remarked but that might just be due to my environment and circumstances. I don't write many reviews but these Acorns deserves at least a three page essay to sing its praises, but I'll keep it short: it's warm, and comfy. I highly recommend getting a pair for you and your significant other.