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Cheap Ski Wear

Sea to Summit Thermolite® Reactor Sleeping Bag Liner

Increase your sleeping bag performance with this Sea to Summit Reactor sleeping bag liner, by up to 8°C (14°F) with 80g/m² Thermolite® fabric. Ideal as part of a cold climate sleep system, or as a standalone bag in warm weather. The Reactor is made from the lightest weight Thermolite® fibre.


Packs into its own Ultra-Sil™ stuff sack
Lighter weight, more packable than fleece
Adds warmth to a sleeping bag
Mummy shape with a box foot
Draw cord hood with mini cord lock

Weight 248g (8.7oz)
Size 210cm (7’) x 90cm (3’)
Colour Black
RRP £42.99

Availability: In stock

Regular Price: £42.99

Special Price: £37.99

Click to Buy

Delivery Information

  • Standard Next Day
  • (9 A.M - 5.30 P.M)
  • Orders under £50: £4.95
  • Orders over £50: FREE
  • Next Day A.M
  • (By 12 Noon)
  • Orders under £100: £10
  • Orders over £100: £8
  • Saturday A.M
  • (By 12 Noon)
  • Orders under £100: £20
  • Orders over £100: £15

Some exlusions apply, for further delivery details for all destinations click here

Rated 4 / 5 based on 1 customer reviews
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  • Adjustable hood (1)
  • Comfortable (1)
  • Lightweight (1)
  • Roomy (1)
  • Stows easily (1)
  • Warm (1)
Best uses
  • Backpacking (1)
  • A new addition to my standard packing 4th June 2013 45 I like to travel light, but I also tend to stay in some less than luxurious hotels where you do occasionally have to grin and bear the bedding shall we say. Enter this light-weight, slightly thermal sleeping bag liner. I used it recently in Anatolia where you are infrequently supplied with sheets to accompany scratchy, grubby looking blankets - so this was a delight. Added a little bit of additional warmth in cold mountainous climates and was an effective barrier between me and aforesaid grubby scratchy blanket. Its now a mainstay of my standard travel kit!
    • Warm
    • Comfortable
    • Roomy
    • Stows Easily
    • Adjustable Hood
    • Lightweight
    Best uses
    • Backpacking
    from LondonVerified Purchaser@Talie Great review thanks, lightweight fabric but thermal properties, Sea to Summit have another winner.

Recent Customer Feedback

I have just had delivered my sleeping bag that I ordered from Outdoor only yesterday at about 11am.
What fantastic service, superfast delivery, WOW, thank you. Will certainly be recommending you to others and will be back for more!

Ann Wiseman
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