Others mentioned a strange fit, like they are narrow.  These fit great!  I got them for my daughter for Christmas, and tried them on to see how they fit before giving them to her.  I wear a wide shoe, and these fit fine.  She has no problems with them either!  Maybe a little TOO  warm for winter so far!  But, that's hardly a bad thing.
Very cute, and they nearly matched her PJs without even trying!