Positives
- ceramic-based dye refracts body heat
- minimalist design
Negatives
- not water resistant
Summary
The Sea to Summit Reactor Thermolite Extreme Sleeping Bag Liner uses a ceramic-based dye that refracts your body heat and increases your sleeping bag's temperature rating by 10-20 degrees.Where To Buy
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Sea to Summit Reactor Thermolite Extreme Sleeping Bag Liner
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Where To Buy
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Sea to Summit Reactor Thermolite Extreme Sleeping Bag Liner
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Sea to Summit Reactor Thermolite Extreme Sleeping Bag Liner Written Review Review by The Good Ride
Sea to Summit Reactor Thermolite Extreme Sleeping Bag Liner Written Review
Ethics Statement: We don’t get paid by the manufacturer to write these reviews and this is our unfiltered opinion. We do make money from the “Where To Buy” links, but this is our best attempt at an honest and objective review from an average rider’s perspective.
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How This Review Happened:
I borrowed this for an extended demo and sent it back.
Size: Large
Days: 3
Conditions: Nights in the low teens.
Riders: Davey (Size 12, 240lbs, 6’4”)
Boots: Burton Ion Boot
Bindings: Union Force
Jacket: Burton AK Cyclic Gore-tex Jacket
Pant: Volcom Rain Gore-tex Bib
Sleeping Bag: Sea to Summit Spark SP Sleeping Bag
Sleeping Mat : Sea to Summit Ether Light XT Sleeping Mat
Sizing:
I am 6’3.5” 245lbs and the standard size length of 85 inches fits me with plenty of room to spare.
Infrared Pigment Dye
The ceramic-based pigment in the dye refracts your body’s heat.
Temperature Regulation
The Sea to Summit Reactor Thermolite Sleeping Bag Liner adds a solid 10-20 degrees to your sleeping bag’s temperature rating. The nighttime low when I used this was around 10-12 degrees. I slept in the Sea to Summit Spark Ultralight 5 degree sleeping bag. My upper body was warm but my feet had gotten cold by the middle of the night. Once I added the liner my feet were no longer cold, and my upper body was almost too warm.
Hood
![Sea to Summit Reactor Liner - hood](https://thegoodride.com/assets/Sea-to-Summit-Reactor-Liner-hood-300x217.jpg)
Basic synch pull chord system to tighten the hood around your head or shoulders.
Weight
The Sea to Summit Reactor Thermolite Sleeping Bag Liner weighs 0.8lbs.
Zippers
To minimize weight and volume, there are no zippers.
Shape
Classic tapered mummy bag shape with a lot of space in the foot area.
Fabric
Thermo-light pro technology is woven with hollow fibers. Ceramic-based pigment dye reflects body heat. Soft to the touch. Feels like a jersey bed sheet. If you don’t like the feeling of a sleeping bag against your skin, this liner will make it feel like your wrapped in sheets.
Use Without a Sleeping Bag
This liner works great for summertime sleeping. Whenever you’re in a situation where it’s warm enough to sleep with a thin blanket or just a bed sheet, this will work by itself, basically as a bed sheet sleeping bag.
Final Thoughts
I think packing a high-quality liner like the Sea to Summit Reactor Thermolite Sleeping Bag Liner is a necessity for anybody going out on cold-weather trips. This liner can easily make or break your trip. The difference between being cold all night, and not being fully rested and recovered the next day is massive. Especially when you are out in Avalanche or high-exposure terrain. Maintaining clear decision-making from a full night’s rest can be the difference between life and death in the backcountry. So for me, an emergency insulation layer is an essential part of my mandatory first aid kit, on top of a space blanket in case your sleeping bag and liner get soaked.
Sea to Summit Reactor Thermolite Extreme Sleeping Bag Liner Specs
Sea to Summit Reactor Thermolite Extreme Sleeping Bag Liner Images
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Sea to Summit Reactor Thermolite Extreme Sleeping Bag Liner User Reviews
Where To Buy
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REI
Sea to Summit Reactor Thermolite Extreme Sleeping Bag Liner
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