User Review: Sea to Summit Reactor Plus Thermolite Liner
Price Paid: $50
This is a great addition to any sleeping bag OR used by itself.
My husband and I backpack a lot but did some car camping recently at Shenandoah NP. I had just purchased the Reactor Plus at EMS and was super stoked to try it out. My husband, on the other hand, purhcased the cooler bag (poor choice). It dropped to about 49 degrees that night and I was VERY comfortable.
Although I'm ususally a cold sleeper, I slept the whole night thru with this one. (My husband, on the other hand, was a bit chilly.)
It is definitely worth the investment, especially if your current sleeping bag needs a little something to take the edge off during the cooler months. OR, if you're like me, and like to have a thin layer during the warmer(ish) months, but don't want to use an actual sleeping bag.