Were a bunch of you using the gear, or were you taking turns sleeping in each of the items? Or is this just a backyard setup?

I suspect the flat area of the Lunar Solo (the part that probably has the most dog hair and is therefore best insulated, since that's where Hysson slept) will squash flat with only a small amount of snow. Too bad, because the rest of it should shed snow just fine.
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May your trails be crooked, winding, lonesome, dangerous, leading to the most amazing view--E. Abbey