I have to agree with all of the other reviews except the lone disgruntled one that this slipper has to be one of the most comfortable shoes I have ever owned. I wear them everywhere, even shopping. I've had a number of compliments on how great they look. I can't wait to get another pair, hopefully in blue if they ever become available in my size. I was hesitant about ordering them, mainly because I never have ordered shoes on-line before and because of variations in sizes among manufacturers. I normally wear size 8 and ordered 8M which fit perfectly. Hopefully, this will help provide some insight on how the sizes run.