Thermolite Reactor Extreme Liner - Reg Size:- Also compatible with older technical

Also compatible with older technical ice tools like the orange Viper

This easy on

and quick to install on the rope

ready for anything

Thermolite Reactor Extreme Liner - Reg Size:- Also compatible with older technicalThe Thermolite Reactor Extreme is the warmest backpacking knit sleeping bag liner Sea to Summit offers. The hollow fiber threads work just like the hollow fur of a polar bear in that they trap heat effectively. When the mercury drops you'll appreciate the mummy shape and drawcord hood with mini cord lock attached. Depending on your environment and sleep conditions, this liner can increase your sleeping bag warmth by up to 25F.