The Sea to Summit Thermolite Reactor Fleece Liner is the warmest of the Sea To Summit Reactor series and can be used to extend the warmth of your sleeping bag, or can also double as a stand alone summer bag. The Thermolite Fleece is incredibly warm for its weight, and it has a brushed finish for extra comfort. The quarter zip makes it easier to get in and out of, and panelled hood can be drawn in when maximum warmth is required. Smaller and warmer than other fleece liners. Technical mummy shape with one handed, easy to operate draw string hood. Quarter zip makes it easy to get in and out. Can be used as a stand alone sleeping bag in warmer temperatures. Packs into its own Ultra-Sil® stuff sack. Increases warmth Keeps sleeping bag clean Dimensions and Weight200 x 70/30cm, Maximum user height: 183cm379 grams Sea to Summit Thermolite Reactor Fleece Sleeping Bag Liner