Sea To Summit Thermolite Reactor Plus Compact Length Mummy Liner

Extend the life of your sleeping bag and trap a little extra warmth with the Sea To Summit Thermolite Reactor Plus Compact Length Mummy Liner. Built with insulating Thermolite fabric, this liner traps heat without over bulking your pack. Furthermore, it keeps the inside of your bag clean and gives it a break from the wear and tear of normal use.