Originally Posted by WetRivrRat
I have the extreme reactor liner and it doesn't exactly add 20*, that is a median value that they've decided was representative of the extra comfort you may experience when using it. It differs between each user. I use mine every time I hang - summer/winter, etc. It is a very versatile item, albeit a bit heavy for what its worth.
Getting into/out of it can be a challenge sometimes, but nothing that would ever change my mind about using it.
I'd say go for it, just try to test it out first before you go, so you know what it will do for you
I have just received one of these and tested it tonight inside a SOL Escape Bivvy. For me it was amazingly warm. I'm a cold sleeper and I reckon it added about 10 deg C at least (but that's hard to gauge with any certainty). So far very happy with this item. I'm heading off for a kayak camping trip this weekend and travelling very light. I'll report on the results when I get back