works, but I'm not convinced it's the best

By dnr Ranked #6 - Sleeping Bags April 24, 2007

Essentially this is a giant polyester sock. It feels quite thin (you can
see through it if you hold it up to light). I don't know about 15
degrees, but it did add a noticeable amount of warmth to my 30 degree
bag on a cold night. The drawstring comes out on the left by default but
with a little effort I moved it to the right. I didn't feel like it
inhibited motion in my sleeping bag, and it was relatively easy to get
in and out of.
It may be a little heavy (and expensive) for what it does. After all, it
won't be as efficient as down for its weight. If you bring it and don't
need it, at least it makes a decent pillow.

View Details: Sea To Summit Reactor Thermolite Sleeping Bag Liner

Helpful Votes: 0 Yes | 0 No