Sea to Summit Thermolite Reactor Extreme Liner

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Pickup available at Bikefit Marlborough

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The ThermoliteĀ® Reactor Extreme increases sleeping bag performance by up to 15Ā°C with its super insulating 110g/mĀ² ThermoliteĀ® fabric. Spacious design allows for a comfortable nightā€™s sleep, even when the mercury plummets. ThermoliteĀ® is a fibre with a hollow core that provides extraordinary warmth for its weight while remaining extremely breathable. The ThermoliteĀ® Reactor Extreme adds warmth to a sleeping bag or, used alone, is ideal as a warm weather bag. With the stretchy knit fabric that moves with you and a draw cord hood, this liner is perfect for wrigglers and rollers or anyone who needs some extra warmth.


Adds warmth to a sleeping bag

Mummy shape with a box foot

Draw cord hood with mini cord lock

Machine washable

Packs into its own UltraSilĀ® CorduraĀ® stuff sack

110g/mĀ² ThermoliteĀ® construction throughout

Colour: red

Shipping Information

Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.

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