Originally Posted by NewtonGT
I would say yes. ive gone below 50 with just the hennessy underpad and no undercover. just make sure you have the appropriate topquilt/sleepingbag
NewtonGT - by underpad are you referring to the SuperShelter?
If you don't have time to experiment I'd pack a shoulder to butt length of CCF. Comfort (temp wise) level is a personal thing, then throw in wind or rain...
That reflectix pad would feel real heavy in the pack with a case of CBS.