Sea to Summit Reactor Lightweight Liner

Sale price$69.95
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  • Low stock - 2 items left
  • Inventory on the way
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  • 1% of every sale is donated to an environmental organization in need

Optimised for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibres to trap body heat. Adding up to 4°C|7°F of warmth with minimal bulk, it’s ideal for ultralight expeditions. Stretch-knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odour control, it’s quick-drying, machine washable, and helps prolong your sleeping bag’s lifespan by reducing wash frequency. 

  • Lightweight and insulative, Thermolite® Pro technology with hollow-core fibres and infrared-absorbing pigments enhances warmth with minimal pack size
  • Freedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep
  • Technical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
  • Fits any sleeping bag - Stretch fabirc means the Reactor Liner fits any shape of sleeping bag
  • Stay Fresh Longer – HeiQ Fresh odour control technology keeps the liner fresh after extended use
  • Sleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit
  • Easy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time
  • Lower Impact Materials – Crafted with certified recycled fibres and bluesign APPROVED materials to minimise environmental impact
  • Orders over $200 qualify for free standard shipping! Some exclusions apply.
  • Choose from standard, priority, or express shipping at checkout. (Please note express shipping is unavailable on the weekend days)
  • Oversized items (such as skis and snowshoes) require a higher shipping rate due to their size and weight.
  • We ship USPS to the U.S. only.
  • Local to Saratoga Springs? Select in-store pickup at checkout!

For shipping and return details, please see our return policy.

Please contact us with any other questions at info@saratogaoutdoors.com!

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