The warmest sleeping bag liner
The THERMOLITE® Reactor Fleece liner is Sea to Summit’s warmest sleeping bag liner. The regular Reactor Fleece Liner featuring a drawcord for adjustment and versatility is made from Thermolite® fabric and grid fleece for optimal heat retention. With the same features as our Reactor Liner, the fleece addition offers added warmth for maximum thermal boost.
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- Traps insulating air to increase warmth of a 1 season sleeping by up to 22% and 10% for a 3 season bag
- Sustainable construction- 60% Thermolite® All-Season fabric, which is made with 100% textile waste and GRS Certified, and 40% polyester yarn
- Treated with Heiq Fresh FFL biocide-free effective odour control
- Technical mummy-shape with drawstring hood.
- Available in 2 sizes- regular and compact
- Easy care – machine wash with no special soap needed. Avoid fabric softeners and dryer sheets.
- Ideal for use as a sleeping bag in warmer weather or sandy environments.
- Packs into its own Ultra-Sil stuff sack
BONUS: EASY TO WASH AND HELPS TO KEEP YOUR DOWN BAG CLEANER FOR LONGER
- Traps insulating air to increase warmth of a 1 season sleeping by up to 22% and 10% for a 3 season bag
![Ultra-Sil Dry Bag Set Multi 3-sack [1] 3L Green, [1] 5L Blue, [1] 8L Orange](https://www.steploost.shop/image/ultra-sil-dry-bag-set-multi-3-sack-1-3l-green-1-5l-blue-1-8l-orange_vSYaGj_300x.webp "Ultra-Sil Dry Bag Set Multi 3-sack [1] 3L Green, [1] 5L Blue, [1] 8L Orange")
