I have both the Neoair Xtherm and the Downmat 9, I can't honestly say the downmat is that much larger, it is slightly heavier. It packs to a fraction of the size of a traditional large pad (Camprest). It is very warm and comfortable for winter camping. If you want space savings and a warm pad, this is for you. I have not decided how I feel about the inflation mechanism yet, its about 3 minutes of
This review was written in the old system and had content requirements that are different than reviews written today.