Originally Posted by OrangePeel
Good point. I won't have time to do that, but I will have a tent as a backup. We will be getting to camp fairly early in the day... I may set it up and try it. If it doesn't work at all, I'll just setup in the tent instead.
That sounds like a safe and fun plan! As long as you can safely bail, any experiment is worth a shot!
In addition to the pads, lots of not very compressible synthetic clothing layers, and/or being inside a synthetic bag, can buy you a lot of warmth.