Originally Posted by warbonnetguy
cannibal basically had twice, not 4 times what you have, his 4 layers are only 2.5 ea.
yeah, 5.0 to 20 deg seems optimistic. anybody have a single layer 5.0 cs tq?
I have made the exact same TQ/UQ (1 layer of 5 oz Climashield) as the original poster...
I used it as both a TQ and UQ at different times. My results may vary by user...
TQ...temp rating was spot on...rated to 20* and I was "comfortable" (not warm or cold) at 19* I wouldn't push it any further...I made my mental limit of 25*
UQ...not as warm...Cold Butt Syndrome and some shoulder coolness at 25*. I wasn't 100% comfortable with my UQ suspension setup but even if my theories had worked...I would have guess my limit would have been about 30* for the UQ alone. I was going to add an upper torso pad and use it to 20*
IMHO, the UQ rating would be lower for any insulation for 2 reasons...
1. heat rises. Hence, it is easier to trap it above you
2. gravity. A TQ uses gravity to cover you. A UQ uses engineering (a suspension) to hold it against you. Many more things to adjust and can go wrong.
Disclaimer - I'm a coldish sleeper...I normally exceed the temp rating of sleeping bags by 5-10*