
Its a Foam insulation and air combine self inflating mattress you can adjust the comfort by adding more air with the pump. I end up replacing ours with Exped Mega Mat Duo extra wide extra long queen size. You will notice the mattress are not comfortable. We just got back on a 4 day camping trip Devils Fork on Greers Ferry Lake. The photo is the wife straighten up the bedding. When I open up the tent I close the deflate valve & open the inflate valve why I finish setting up camp (hour or so) I usually give about 10 pumps with the hand pump & the mattress is pretty much were the comfort level for the wife & I like it. You pull the deflate valve open & fold up the tent. I had a member "here" tell me about this Exped mattress as another member from American Adventurist too. We read all kinds of complaints about the RTT mattresses being extremely uncomfortable. You will wake up (least I & my wife did) with aching joints like we never faced before. It's not just Smittybilt's mattress's most of the RTT's mattress's are this way. I'll assure you, you will replace this mattress in time. I can not say enough about this mattress, we both wife & I sleep like were sleeping on our home Tempur-Pedic mattress.


You will notice the mattress isn't comfortable.
