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Sea to Summit Reactor Extreme Sleeping Bag Liner

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ULTIMATE WARMTH FOR EXTREME ADVENTURES

Push your boundaries with confidence! The Sea to Summit Reactor Extreme Sleeping Bag Liner is your essential weapon against the cold, designed to deliver exceptional warmth and comfort in the most frigid conditions. Backpackers, mountaineers, and anyone venturing into extreme environments will find this liner indispensable to their sleep system.

The Reactor Extreme liner with Thermolite® Pro fabric is an important part of your sleep system, especially for colder-weather adventures. This liner uses innovative infra-red absorbing ceramic pigments to provide a thermal boost. The soft, wicking stretch-knit fabric offers great comfort and freedom of movement, and it can fit any sleeping bag. Plus, the drawcord foot box provides ventilation and allows you to walk around camp while still wearing the liner if needed.


Sea to Summit Reactor Extreme Sleeping Bag Liner

Why the Sea to Summit Reactor Extreme Sleeping Bag Liner?

  • Unmatched warmth: Combats frigid temperatures with Thermolite® Pro and infrared technology.
  • Highly breathable: Prevents stuffiness and discomfort during sleep.
  • Stretch knit material: Provides a comfortable fit and freedom of movement.
  • Lightweight and packable: Minimizes weight and bulk in your backpack.
  • Drawcord footbox: Enhances warmth retention around your feet.
  • Machine washable: Easy to care for and maintain.?

Conquer the cold and experience true comfort in extreme environments! Order your Sea to Summit Reactor Extreme Sleeping Bag Liner today and push the limits of your next adventure!


Sea to Summit HEIQ Fresh

HEIQ FRESH

Sea to Summit Liners is treated with HeiQ Fresh FFL, a biocide-free, highly effective odour control technology that uses a bio-based Amino Sugar Polymer to neutralise body odour. 

Sea to Summit THERMOLITE PRO

THERMOLITE PRO

Thermolite Pro has engineered hollow fibres like standard Thermolite but with the addition of permanent ceramic pigments that absorb the body's infrared rays and reflect them back to the wearer.

THERMOLITE ECOMODE

THERMOLITE ECO MADE

The recycled Thermolite EcoMade fibres are made from 100% textile waste, are GRS-certified, and offer the same quality and durable, lightweight warmth as their polymer virgin counterparts but with a lower carbon footprint.


Sea to Summit Reactor Extreme Sleeping Bag Liner Features

  • Thermal boost to retain heat and warmth. As the core of your sleep system the Reactor liner extends the performance of your sleeping bag and sleeping mat in the coldest of conditions
  • Thermolite® Pro technology using knitted, hollow-core fibres and infrared-absorbing ceramic pigments to reflect your body's heat back for enhanced warmth and comfort
  • Drawcord footbox and shoulder openings can be opened or closed for optimal comfort and integrates perfectly with the footbox of our Free-Flow Zip system in select Sea to Summit sleeping bags
  • HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
  • Knitted fabric provides incredible stretch and freedom of movement in this mummy-shaped liner and works perfectly with sleeping bags of any shape
  • Sea to Summit Guarantee is offered for the Lifetime of this product?

Reactor Extreme Sleeping Bag Liner

Sea to Summit Reactor Extreme Sleeping Bag Liner Specifications

  • COMES WITH: Storage Case
  • MATERIAL(S): Thermolite® Pro & EcoMade Polyester
  • SPECIAL: Bio-based HeiQ Fresh Odor Control
  • DIMENSIONS: 216 x 80 cm
  • PACKED SIZE: 15 x 7.5 x 12
  • WEIGHT: 364 g

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