This is a very basic foam mat so there's little to be said about it. The mat serves its purpose well, it is very lightweight, it folds into a reasonably small size and the amount of padding is about right (not too much, but enough). Manage your expectations; this is really just a foam pad - comfort is very limited, but for a minimalist backpacker this pad is the way to go. I like that there are no valves to fail and there's no skin to puncture - no matter what, reasonable padding will be provided. It also works well as a ground mat to place under an inflatable air pad.
This review was written in the old system and had content requirements that are different than reviews written today.