The slippers are addorable.  (The chicks at my apartment complex seem to love them.)  They also provide a little bit of extra warmth, and it's at least as much as I've noticed from any other slipper.  They're comfy and provide a little bit of cushoning when walking on hard floors.  My only complaint is that the other colors are harder to get a hold of and I'm less partial to white.  (I've seen brown and Black too, but they always sell out before I can get them.)