for those who like to travel really light, I have found my bivvy bag to be amazing. I use it with a therma rest and sleeping bag and thats it! It keeps you nice and dry and draft free. It is also long enough to put your ruck sack in the end too. Does anyone else have one of these and if so what do you think of them. I persoanlly think they are way better than civvy versions and very cheap in comparision. My only gripe is the way they zip up. I would favour a zipper facing in so you can do it up when you are in your sleeping bag. other than that a great piece of kit.