Thermolite® Reactor Fleece Liner - Sleeping Bag Liners - Cotton & Silk - Sea To Summit UK

Thermolite® Reactor Fleece Liner

The first choice when you need to add some extra warmth to your sleeping bag.


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200 x 70 cm
Cool Weather
420 g
Selling Price

The Thermolite Fleece Liner is the warmest of our 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 we have 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 stand alone sleeping bag in warmer temperatures.
  • Packs into its own Ultra-Sil® stuff sack.
  • Increases warmth.


Lifetime Guarantee

Thermolite Reactor Extreme

Increase the warmth of your sleeping bag and the get a better nights sleep with this light weight liner.


Thermolite Reactor Compact Plus

Increase your sleeping bag performance with dual weight Thermolite® fabric.


Premium Cotton Travel Liner

Sleep comfortably on your travels with this simple pure cotton liner.


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