Sea to Summit: Reactor Extreme

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Our Price: $66.95

    IMS#: 497848
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Increases sleeping bag performance by up to 25°F (14°C) with super-insulating 110g/m² 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. Perfect for extending the season of your sleeping bag.


  • 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


Weight:14 oz / 399g
Dimensions:84" x 36" / 210cm x 90cm
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