I really like this boot/slipper! I wear a size 8W so I thought the 8-9 would work but its too big, considerably, but as they are just house slippers to wear around the neighborhood it works well with heavy socks in winter and they in no way want to come off my feet even when not wearing socks, so big but not bad. My real complaint is that the top is constantly falling down, the elastic band to hold it up is in the middle and it doesn't hold it up well. The top portion of the boot is always slumped and goofy looking. When it stretches a bit it starts looking like a big mouth hanging open from my calf. BUT they are incredibly comfortable, have held up fabulously through many washes and are still pretty cute despite the huge mouth.

So, I still love them and wear them all over our neighborhood but would never wear them out because of their clumsy style.