Sea to Summit – Reactor Extreme – Thermolite Mummy Liner, One Size, Red
January 10, 2018 - Comment
Increases sleeping bag performance by up to 25 F (14 C) with super-insulating 110g/m Thermolite fabric. Thermolite is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Spacious design allows for a comfortable night’s sleep, even when the mercury plummets. Perfect for extending the season of your sleeping bag.
Product Features
- 110g/m2 Thermolite construction throughout
- Adds up 25F (14C) to warmth to a sleeping bag
- Mummy shape with a box foot. Draw cord hood with mini cord lock
- Packs into its own Ultra-Sil stuff sack
- Color of liner is orange. Weighs 14 oz / 399g. Dimensions: 84 / 210cm x 36 / 90cm
Comments
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Yes, it is extremely thin, extremely light and … Yes, it is extremely thin, extremely light and it does increase the temperature by maybe 10 / 15 degrees. but don’t count on this for a winter, below 40 camp out to transform your summer sleeping bag into an arctic one… this is for chilly summer, fall nights…
Love it. Really adds warmth to my sleeping bag Love it. Really adds warmth to my sleeping bag. Some nights a little too warm, but I’d prefer that to being cold and miserable.
Somewhat of a scientific approach/review I was very skeptical about the +25 degrees claim of the Thermolite Reactor Extreme so, I set up this little experiment to see just how well the liner worked. Because sleeping comfort is such a personal thing, I will try and provide as much information here as possible so that you can make your own informed decision. I used a sleeping bag rated at the current outside temperature, a low R-value sleeping mat to insure I wasn’t gaining a lot of warmth from the mat and a hammock to insure I wasn’t…