I bought these crocs as a Christmas gift for my mom.  She absolutely loves them and wears them all the time!  She did say at first they felt a little snug but after she wore them for a week she said they stretched out and ended up fitting her perfectly!  I also wear the same size as her and am also a big fan of Crocs, so before I wrapped them up I tried them on.  They were very soft and comfortable!  Super cozy!  The thought did cross my mind about how well they would stay on my feet while I was walking, but since they were a gift I have no conclusion for that except that my mom's feet are just a tiny bit bigger than mine and she seems to have no problems with them falling off or anything while she's walking.  She loves them!  So in conclusion, they are very comfortable to wear and anyone who loves crocs will love these for winter time because they are warm and comfortable!