Any insulation? As in down or synthetic?
Many, many to choose from my friend:
Hammock Gear underquilts - Phoenix and Incubator
Warbonnet Outdoors - Yeti's
Arrowhead Equipment - Flamethrower and KAQ (if I'm correct)
And many more that i have not mentioned that should be.
Otherwise, there are plans to make your own here as well as DIY military pncho liners etc.
Lucky you! Lots of choices.
Hope this helps.
The key to immortality is first living a life worth remembering. - St. Augustine
Some people feel the rain. Others just get wet.
- Bob Marley