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Sea To Summit Reactor Fleece Liner Thermo (Grey)


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 the paneled 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.


  • Length: 78 in/198 cm
  • Width: 28 in/71 cm
  • Weight: 14.8 oz/420g

What is included:

  • Sea To Summit Reactor Fleece Liner Thermo (Grey)

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