Search:

http://hennessyhammock.com/catalog/insulation/

I don't know. Some type of non-coated nylon. Breathable and per my test plus some rain that got past my tarp once, fairly water resistant. There is a 6" diameter vent on one side near where my head...

I was hoping for a report on how much condensation- if any- there was in this cold snap. I had none inside the HH Super Shelter with over cover, though I was expecting a bunch.

If they are damp, they are going to freeze into bricks outside on the ground if it is very cold. (been there, done that) That will mess you up if you are getting up at 0400 in a hurry! In a bag...

We have a big cold front moving in down south! Maybe you will get a chance to test well below freezing up there this weekend!