Thanks everyone for your input. Takeaways so far:
Originally Posted by
Tourist in MSN
I would not bother with additional covers. Recall my comment on compressing your down insulation.
Very, very good point indeed. Thanks for bringing it to my attention.
Originally Posted by
msquared22
Yes, an R value of 5.7 will be much warmer than 3.2. (I assume you're looking at an XTherm vs the XLite?) I sleep a lot warmer on my XTherm.
Originally Posted by
BigAura
ALSO: R factor on ground insulation is for-real. R-5.7 --> get it.
That settles it. Read a bit more about R-Values. On the surface 5.7 looks to be close to 3.2. OTOH 5.7 is 78% more than 3.2
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I'll get the pad and sleep in the backyard when the forecast will be for close to freezing at night. Unfortunately, it won't take long to get there... (neighbours will wonder if we had an argument!
)