If you can't find one, I have a Mountain Hardwear 2nd Dimension w/ similar specs, except that it has a WPB Stormlight shell as well - rated to 15 degrees. It would fit up to about 5' 9" comfortably, I'd guess. I also have a Moonstone Muir Trail DL that is a down bag w/ Gore Dryloft exterior - rated to 20 degrees. They are both in excellent condition.
PM me if interested.