Ha. Many vendors here for you - so lucky. Not sure if down is still on the agenda but you can check out - HammockGear, Arrowhead Equipment, Wilderness Logics, Tewa Quilts, Jacks R Better, Warbonnet Equipment to name a few and get you started with some ideas.
But for light and small - down is what you are looking for.
The key to immortality is first living a life worth remembering. - St. Augustine
Some people feel the rain. Others just get wet.
- Bob Marley