STS_AREACTOR Thermolite Reactor
STS_AREACTOR Thermolite Reactor

Thermolite® Reactor Liner

Product Description

The Thermolite® Reactor increases sleeping bag performance by up to 8°C with 80g/m² Thermolite® fabric. 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
  • Machine washable
  • Colour: black


Description Dimensions Weight
Thermolite® Reactor 210 x 90cm 248g


Thermolite graphic new on black BG