Where have these been all my life? Hands down BEST warm, winter slipper I've found for warmth PLUS support. Now, when I write reviews, I try to give as much detail as possible, so please read the whole review. CAVEAT: If you aren't accustomed to true memory foam, you might want to try something else. A good, real "memory foam" is firm, not soft. It takes time and wear to get the "contours" locked in. So, like the directions say, you have to wear them, walk in them, for a few days to get the fir.See full review