Reactor Extreme Sleeping Bag Liner

2026-03-24T14:54:41+11:00

Vendor: Sea to Summit
Type: Sleeping Bags
Price: 129.99

An essential component in your sleep system, the Reactor Extreme liner with Thermolite® Pro fabric utilises 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.

Tech Specs

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 fibres 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 odour 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

Weight: 364g

Dimensions: 216 x 80 cm

Packed Size: 15 x 7.5 x 12

Fits Up To Height: 198cm

Best Use: Thermal Boost

Comes With: Storage Case

Material(s): Thermolite® Pro & EcoMade Polyester

Special: Bio-based HeiQ Fresh Odor Control