Complimentary U.S. shipping · No minimum order5–8 business days · 30-day returns

Reactor Sleeping Bag Liner

$41.97

  • 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 fibers 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
  • HeiQ Fresh odor 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
Free U.S. delivery · No order minimum
Processing: 1–3 business days
Estimated total delivery: 5–8 business days · 30-day returns
SKU: N26C-10-C143EAAACC1F Category:
A CLOSER LOOK

Product details

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 fibers , 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.
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 fibers 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 shoulder 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 odor 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

Product specifications

Compatibility stated by sourcefits any sleeping bag
Materials described by sourceceramic
BrandSea to Summit
Materialsceramic
ColorsSulphur
SizesCompact Mummy with Drawcord, Mummy with Drawcord
SizeCompact Mummy with Drawcord | Mummy with Drawcord
ColourSulphur
Weight0.288 lbs

Choosing, using and caring for your product

Plan around the conditions you expect and the space you need. Compare actual shelter dimensions, sleeping specifications and packed size; prepare appropriately for weather and terrain.

Read the instructions supplied with your item before first use. Check the components and fitting requirements, and follow the care guidance for the listed materials. Keep the product instructions for future reference.

If a specification is not listed or you need help with a particular application, contact our team before ordering.

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Delivery & FAQs

Where do you deliver?

We deliver within the United States. Standard U.S. shipping is free, with no minimum order amount.

When should I expect my order?

Order processing takes 1–3 business days. Estimated total delivery is 5–8 business days from order placement, including processing and carrier transit. See our Shipping Policy for delivery details and how to contact us about an order.

Can I return an item?

You can request a return within 30 days after delivery. Contact us before returning an item so we can provide the correct instructions. Approved refunds are expected to reach the original payment account within 2–4 business days after approval and issuance. See the Return & Refund Policy for the full conditions.

How do I choose the right option?

Check the product photographs, dimensions, materials and available options. Choose your color, size or specification before adding the item to your cart. If you are unsure, ask our team before ordering.

How can I contact you?

Use the email address or telephone listed in our footer and on the Contact Us page. Include the product name or order number when you need help.