Extreme cold calls for extreme measures. This soft and stretchy mummy-bag liner can add some serious warmth, increasing your sleeping bag warmth by up to 18C, so you can get an extra season out of your bag. Use it as a lightweight stand-alone sleeping bag during the summer.
- Made of Thermolite® fleece fabric with a brushed finish
- Cinchable drawcord hood and quarter length zipper for temperature control
- Includes a silnylon stuff sack
