Thanks for all of the suggestions (even though I'm only replying to this one directly.<br><br>I just placed and order for the 2 of the Tacoma Mountain Rescue Storm Shelters, as well as one of the heavier Space All-Weather blankets. We already have a regular mylar space blanket as a army surplus poncho (without a liner). <br><br>We'll try several configurations on our next outing and I'll report back on what we (he) settles upon.