The THERMOLITE® Reactor Fleece Liner with hood is the warmest of the Reactor Series and can be used to extend the warmth of your sleeping bag or double as a stand alone summer bag.
The THERMOLITE® Fleece is incredibly warm for its weight, and Sea to Summit has given this fabric 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 standalone sleeping bag in warmer temperatures. Contrasting colour along the top edge makes it easier to find the opening Packs into its own Ultra-Sil® stuff sack. Increases warmth.