super sleep feeling, almost like a foam mattress. You should, because of the thickness, better three times sufficient air exchange and help out the mat prior to first use a little by inflation, as with all the chambers are filled, otherwise it could lead to the typical crackling. But is actually always an "operator error" when a sleeping pad makes noises. I had read quite a few called premium brands but when it comes to comfort, this is by far the best. Can the durability after two applications of course, nothing to say, but so far everything well. Store necessarily open, otherwise threatening trouble the next time, but also applies to any camping mat, which has earned the name