Without doubt quality sleeping bags are the best sleeping system. Blankets however are marvelous for multiple use. I have used mine or observed them used for; protective hoods in firestorms, signaling,improvised small craft sails, emergency shelters, cordage, invalid stretchers, splints and the clumsy, but traditional blanket pack. You can even toss the things over a sleeping bag that falls short of it's advertized temperature rating <img src="images/graemlins/blush.gif" alt="" />