You can ‘wear’ your Reactor Extreme outside your tent

Contrasting colors: easy entry, easy drawcord location

Warmth-trapping hollow-core fibers + infra-red ceramic pigments

Reactor Extreme Sleeping Bag Liner (Like New)

Shoulder / footbox openings match Sleeping Bag Free-Flow zips

Packs compactly into supplied stuff sack

Get notified

Reactor Extreme Sleeping Bag Liner (Like New)

$84.95$42.48

Be the first to review this product here!

Length

Compact - 78in
Standard - 85in

out of stock Register to receive a notification when this item comes back in stock.

Notify Me When It’s Available

Highlights

Best Use: Thermal Boost

Weight: 12.6oz | 342g

Length: 78in | 198cm

Packed Size: 5.9 x 3.0 x 4.7in | 15 x 7.5 x 12cm

About The Product

An essential component in your sleep system, the Reactor Extreme liner with Thermolite® Pro fabric utilizes innovative infra red-absorbing ceramic pigments to give your system the thermal boost needed in colder-weather adventures.

The soft, wicking stretch-knit fabric provides unmatched comfort and freedom of movement while still allowing the Reactor Extreme liner to fit any sleeping bag. Additionally, the drawcord footbox offers plenty of ventilation and the versatility of walking around camp while still wearing your liner if needed.

Thermal boost to retain heat and warmth. As the core of your sleep system the Reactor liner extends the performance of your sleeping bag and sleeping mat in the coldest of 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
Drawcord footbox and shoulder openings can be opened or closed for optimal comfort and integrates perfectly with the footbox of our Free-Flow Zip system in select Sea to Summit sleeping bags
HeiQ Fresh odor control technology helps keep the liner fresh even after extended use
Knitted fabric provides incredible stretch and freedom of movement in this mummy-shaped liner and works perfectly with sleeping bags of any shape
Sea to Summit Guarantee is offered for the Lifetime of this product

Product Features

Shipping & Returns

Free US Shipping on Orders $50+
Easy 60-Day Returns

For more details, please check out our Help Center.

Find Locally

Product Locator by Locally

Compact Mummy || Reactor Extreme Sleeping Bag Liner

Reactor Extreme Sleeping Bag Liner (Like New) Compact - 78in

Description || Reactor Extreme Sleeping Bag Liner

Thermal boost to retain heat and warmth. As the core of your sleep system the Reactor liner extends the performance of your sleeping bag and sleeping mat in the coldest of 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
Drawcord footbox and shoulder openings can be opened or closed for optimal comfort and integrates perfectly with the footbox of our Free-Flow Zip system in select Sea to Summit sleeping bags
HeiQ Fresh odor control technology helps keep the liner fresh even after extended use
Knitted fabric provides incredible stretch and freedom of movement in this mummy-shaped liner and works perfectly with sleeping bags of any shape
Sea to Summit Guarantee is offered for the Lifetime of this product