Mountain Equipment Company

Sea To Summit Thermolite Reactor Sleeping Bag Liner


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Rocksolid guarantee

Shop with confidence. If it’s not working out, you can return it (consumables, electronics, undergarments and swimwear excluded).
Really. If it's not up to snuff after you use it (a couple times) you can still bring it back. It lasts longer than 30 days, but not forever. We'll be fair about it.


Increase the temperature rating of your sleeping bag on particularly cold nights. This soft and stretchy mummy-bag liner adds up to 8C of warmth, allowing you to sleep comfortably without needing to change sleeping bags.

  • Made of hollow-core Thermolite® polyester knit fabric
  • Cinchable drawcord hood
  • Includes a silnylon stuff sack

Tech specs

Weight248g (No colour SKU)
Ideal for
  • Backpacking
  • Frontcountry camping
ShapeMummy (No colour SKU)
Width92cm (No colour SKU)
Length210cm (No colour SKU)
Pillow sleeveNo
Stuff sackYes
Made inChina

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4 out of 5 stars with 2 reviews for Sea To Summit Thermolite Reactor Sleeping Bag Liner

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