I actually have had two of these air pads... Great design as it lightens the load and gives you greater comfort. Teamed up with my 0-degree Agnes bag I was the only one who stayed warm on a summer climb on Mt Shasta when we got into some bad weather.. Not only was I comfortable but I slept as well! My Daughter is currently using my new pad... I lost the first one.. she is in Northern Africa and she said "Dad this is so great!! I would not be sleeping if I did not have this pad and bag to keep me warm..." Great products-great design!!