Heh, it is probably the same one I have right now. I can attest to it keeping you warm at fairly cold temperatures(-20F is the lowest I've slept in it in) and it kept me sufficiently warm as long as it was all sealed up. This does mean there will be condensation from your breathing in the bag with you. It isn't as though it is dripping on your head, but it is there. It's also a pretty heavy system, but I suppose staying warm is worth it. I don't know the exact weight, in the Army that doesn't matter too much, it just has to fit in the ruck sack, lol. That is also a very good price for the bag system too.
In all things of nature there is something of the marvelous.-Aristotle