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Thermolite Reactor Extreme Sleeping Bag Liner

Sea to Summit

Thermolite Reactor Extreme Sleeping Bag Liner

$74.95 $74.95

Online inventory may not reflect in-store availability.

Thermolite Reactor Extreme Sleeping Bag Liner is available to buy in increments of 1

The THERMOLITE® Reactor™ Extreme liner is Sea to Summit’s warmest knitted sleeping bag liner. If your adventures take you to colder climates, the Reactor Extreme will add plenty of warmth to a sleeping bag. Plus in warmer weather, it can be used as a ‘stand alone’ sleeping bag. The hollow core fibers of the THERMOLITE® fabric work like a polar bear's fur and, along with the knitted structure, trap plenty of insulating air. Super soft and amazingly stretchy, the Reactor Extreme uses a heavier version of THERMOLITE® to provide extra warmth for an incredibly comfortable night’s sleep. Use one to build your cooler-weather sleep system and to help keep your sleeping bag clean too.

  • Traps insulating air to increase warmth of a sleeping bag by up to 25°F / 15°C
  • 110g/m² fabric is warmer than the 80g/m² Thermolite® used in the standard Reactor.
  • Technical mummy-shape with drawstring hood.
  • Packs into its own Ultra-Sil stuff sack.
  • Materials: Thermolite polyester fabric
  • Liner Shape: MummyLiner Dimensions (Entry/Foot x Length): 36"/24" x 82" (92/62 x 208 cm)
  • Packed Dimensions: 6.5" x 4.5" (17 x 11.5 cm)
  • Added Warmth: Up to 25°F (14°C)
  • Comes With: Ultra-Sil stuff sack
  • Manufacturer Warranty: Lifetime against defects in materials and workmanship