Sea to Summit Reactor Extreme Thermolite Liner

  • Product #: 380981
  • Sea to Summit #: 149
  • UPC #: 9327868022304
Sea to Summit Reactor Extreme Thermolite Liner
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Product Overview

Sea to Summit products


  • 110g/m2 Thermolite construction throughout
  • Adds up 25°F (14°C) to warmth to a sleeping bag
  • Mummy shape with a box foot
  • Draw cord hood with mini cord lock
  • Packs into its own Ultra-Sil stuff sack
  • Color of liner is orange

The Sea to Summit Reactor Extreme Thermolite Liner increases sleeping bag performance by up to 25oF (14oC) with super-insulating 110g/m Thermolite® fabric. Thermolite® is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Spacious design allows for a comfortable night's sleep, even when the mercury plummets. The mummy shaped liner has a draw cord hood and packs into its own Ultra-Sil stuff sack.  Perfect for extending the season of your sleeping bag.


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Product Information

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Delivery Information

Must Ship to FFL Dealer Yes
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Ships Alone Yes
Oversized Yes
DOT- Regulated Yes
Carrier Restrictions
  • Cannot ship via air
  • Cannot ship via USPS
  • Cannot ship to PO Box
  • Must ship to Contiguous US
HazMat Product Yes

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