Sea to Summit – Reactor Extreme – Thermolite Mummy Liner, One Size, Red
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
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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…
Iâm not convinced I gave this thing a try several times really hoping it would work. Itâs a lot of money for what it nothing more than a giant polyester sock the same thickness as a t-shirt. I put inside my 0 deg down bag on about a dozen occasions since Iâve owned it. Iâve tried nights with and without it, and felt no noticeable difference. I find it pretty constricting as well. There is now zipper or seem, so youâre in this like a sack race. When youâre climbing out in the middle of the night, itâs a bit…