The THERMOLITE Reactor Extreme is the warmest backpacking knit sleeping bag liner Sea to Summit offers. The hollow fiber yarns work just like the hollow-core fur of a polar bear in that they trap heat effectively. When the mercury drops you’ll appreciate the mummy shape and drawcord hood with mini cord lock attached. Depending on your environment and sleep conditions, this liner can increase your sleeping bag warmth by up to 25F.
$69.95 Original price was: $69.95.$59.46Current price is: $59.46.
SKU: outdoor-gear-6676725039186 Categories: Campsite, Outdoor Gear, Outdoors, Sea to Summit, Shop by Brand, Sleeping Bags & Pads Tags: Default Title, Fall 21, Locally, Outdoor Gear, Sleeping Bag Accessories, Sleeping Bag Liners, Sleeping Bags
- Made of environmentally friendly materials
- Streamlined service, designed for your convenience.
- Efficiency meets excellence in customer care.
- Guaranteed High Quality

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