I really like these slippers. I wear a size 9-9.5 shoe (never a 10), so I went with size 9. At first, they seemed a little small. My heel hit the back flap of the slipper and the top rubbed my foot on one side. However, after a few times wearing them, they have stretched a bit and are extremely comfortable. The warmth is just right for the milder Texas winters. I would order them again.