Yes, fleece is the very warmest. Down is also very warm. We were without power for 11 days in "07 - due to an ice storm and I hurt my back and had to lay flat on my back on my couch for the entire 11 days and I tried every sort of blanket, quilt, afghan, etc. that we had and the very warmest of all was a double sided fleece blanket that my BFF made for me. (We did have a wood fireplace in the living room but no electric for the fan/blower so DH could not build a very big fire due to it getting too hot and causing too much heat build up.) We did install a ventless gas heater since then - so just one more source of heat if we need it.