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Sea to Summit Thermolite Reactor Fleece Liner 160

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Questions & Answers

Product Discontinued by Manufacturer

Sea to Summit Thermolite Reactor Fleece Liner has been discontinued by Sea to Summit and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Camping Gear, Sleeping Bag Accessories, Sleeping Liners yourself to try and find the perfect replacement for you!

Product Info for Sea to Summit Thermolite Reactor Fleece Liner

The THERMOLITE Reactor Fleece sleeping bag liner is a luxuriously soft and super warm liner that can bump up the warmth of your sleeping bag considerably. It can also be used as a stand-alone sleeping bag in warmer climates and has a quarter length zipper to control temperature and allows the user to get in and out of easily. The hollow core fibers that make up this fabric trap heat effectively, keeping you toasty warm. If you're looking for a high warmth to weight ratio or a lightweight summer bag, this is an ideal choice.image

Features of Sea to Summit Thermolite Reactor Fleece Liner

  • Adds up to 32F / 18C of warmth to a sleeping bag
  • Technical mummy shape with one hand, easy to operate, drawstring hood
  • Quarter zip makes it easy to get in and out
  • Can be used as a stand-alone sleeping bag in warmer temperatures
  • Packs into its own Ultra-Sil stuff sack

Package Contents:

  • Sea to Summit Thermolite Reactor Fleece Liner

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Sea to Summit Thermolite Reactor Fleece Liner Unavailable & Discontinued Models

List of Unorderable Models

  • Sea to Summit Thermolite Reactor Fleece Liner-Grey , MPN: 160 , UPC: 9327868051281 , Code: Z02-SL0-STS0203-276131
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Last updated 2026-09-25 UTC.