Originally Posted by
LynnVT
Interesting idea. I would assume you might back it with cotton fabric, but you would not use batting as it would be too heavy.
Mine are backed with wool and include batting, sometimes a blanket and sometimes regular batting. They aren't 'too heavy' at all in New Hampshire winters, quite the contrary.

I get beautiful hand-dyed wool that's been cut for rug making (20" by 3 yards) from the local mill store.
http://dorrmillstore.com/index.php