The Thermolite Reactor increases sleeping bag performance by up to 8°C with 80g/m² Thermolitefabric. It is ideal as part of a cold climate sleep system, or as a standalone bag in warm weather. The Thermolite Reactor is made from the lightest of Thermolite fibres.
-Adds warmth to a sleeping bag
-Mummy shape with a box foot
-Draw cord hood with mini cord lock
-Packs into its own UltraSil stuff sack
-Lighter in weight, more packable than fleece
-Dimensions 210 x 90cm