2.5 lbs seems a little heavy to me for a bivi.
I have 2-man tents that weigh that, of course they use your trekking poles.
I have an OR Helium Bivi that weighs 1.1 lbs that I didn’t pay that much more for than this but that was a great deal
Nice video. I highly doubt I could sleep in one of these. Seems a bit like crawling into a coffin. Plus, for those that have used these, doesn’t water transfer from beading where your feet may touch the tent?