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Sea to Summit
Sea to Summit
Thermolite Reactor Liner

SKU #: pg12055


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Thermolite Reactor Liner
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Product Information


The Reactor thermal liner is made from 80 g / m² Thermolite® - the lightest weight Thermolite® available. Thermolite® is a hollow-core fiber that provides extraordinary warmth for its weight and remains extremely breathable. This liner will add up to 14°F / 8°C of warmth to a sleeping bag or, used alone, is the ideal warm weather bag.


  • Box Foot & hood design
  • Stretchy & soft knit fabric
  • Quick drying
  • Lighter weight, more packable than fleece
  • Contrasting color along the top edge makes it easier to find the opening


Length84 in
Weight8.7 oz / 248g
Width at shoulders36 in

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