Sea to Summit | Reactor Extreme Sleeping Bag Liner
$42.48 – $79.95Price range: $42.48 through $79.95
Sea to Summit | Side Release 2-Pin Field Repair Buckle
$6.95 – $9.95Price range: $6.95 through $9.95
Sea to Summit | Reactor Sleeping Bag Liner
$69.95 – $74.95Price range: $69.95 through $74.95
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Estimated delivery dates: Feb 5, 2026 - Feb 6, 2026
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Description
Sea to Summit | Reactor Sleeping Bag Liner
Exceptional warmth, versatility and the freedom of movement in stretch knit comfort
Add warmth to your sleep system in cool or cold conditions: with our Reactor Liner. Using Thermolite® Pro fabric with infra red-absorbing ceramic pigments and Thermolite® EcoMade fibres , the new Reactor takes thermal performance to the next level.
The stretch-knit fabric provides optimal comfort, and ensures the Reactor fits any sleeping bag. Choose between the classic Mummy and the Mummy with Drawcord – the footbox opening offers plenty of ventilation and the versatility of walking around camp while still wearing your liner if needed.
Specs
| Compact Mummy | Standard Mummy | |
|---|---|---|
| Dimensions | 78 x 31.5 in | 85 x 31.5 in |
| Fits Up To Height | 70 in | 78 in |
| Packed Size | 5.9 x 2.8 x 4.3 in | 5.9 x 2.8 x 4.3 in |
| Weight | 9.5oz | 10oz |
Features
- Thermal boost to retain heat and warmth. As the core of your sleep system the Reactor liner extends the performance of your sleeping bag in colder conditions
- Thermolite® Pro technology using knitted, hollow-core fibres and infrared-absorbing ceramic pigments to reflect your body’s heat back for enhanced warmth and comfort
- The classic Mummy version has practical openings in the shoulders to allow the user to stretch his or her arms out
- In the version with the drawcord footbox, the base or shuolder openings can be opened or closed for optimal comfort. They integrate perfectly with the Free-Flow Zip system in select Sea to Summit sleeping bags. Open the base drawcord, and you can hitch the liner up and walk round camp – perfect for bathroom breaks
- HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
- Knitted fabric provides incredible stretch and freedom of movement – Reactor liners work perfectly with sleeping bags of any shape
- Sea to Summit Guarantee is offered for the Lifetime of this product
Materials
Thermolite® Pro & EcoMade Polyester
Made in China
Additional information
| Weight | N/A |
|---|---|
| Size |
Compact ,Standard |
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