Was looking at the Nanopuff but could not find a good fit. I'm 5'10" 180lbs, and wasn't happy with the Nanopuff in M or L. Took a chance on the Thermostatic in M and it's fits me perfectly. Can layer both over and under comfortably. No quality issues. Got a great deal too. Very pleased!
This review was written in the old system and had content requirements that are different than reviews written today.