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Reactor Fleece Liner (Thermal Boost +22%)


Reactor Fleece Liner (Thermal Boost +22%)

Our warmest sleeping bag liner+ View tech specs
  • Shape
  • Size

BEST USE Backpacking & Camping

WEIGHT: 390 g


PACKED SIZE: 14 x 9 cm

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We also offer a free-of-charge return service meaning you can buy in complete confidence from us. For more details, please check out our Refund Policy.

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Reactor Fleece Liner (Thermal Boost +22%)
Reactor Fleece Liner (Thermal Boost +22%)


The THERMOLITE® Reactor Fleece liner is Sea to Summit’s warmest sleeping bag liner. The regular Reactor Fleece Liner featuring a drawcord for adjustment and versatility is made from Thermolite® fabric and grid fleece for optimal heat retention. With the same features as our Reactor Liner, the fleece addition offers added warmth for maximum thermal boost.

Tech specs

  • Added Warmth
    Up to +22% in a 1 Season bag
  • Best Use
    Camping, Winter Camping & Travel
  • Comes With
    Ultra-Sil stuff sack
  • Material(s)
    Thermolite EcoMade & Polyester
  • Shape
Mummy CompactMummy Regular
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