That is my pick too.
The mat is comfortable.
Will use for one person summer only.
It was just puzzling for me as normally shoulders and hips find the ground etc pretty much the same.
I have a couple expeds I can use and still have original thermarest sim in use on camp stretcher.
Do not get the cold on these.
I am also dubious about the R of 4.4 might be a bit less.
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