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Sea to Summit

Add warmth to your sleep system in cool and cold conditions without the need for extra layers or heavy fabrics

Insulated Lightweight Recycled

Product Specifications

Average weight 284g
Foot width 55cm
Length 216cm
Material 50% Thermolite® Pro Yarn, 50% Thermolite® EcoMade yarn
Rolled size 15 x 7 x 11cm
Shoulder width 80cm

Features

Reactor liners provide a 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.
Fabric is a blend of 50/50 blend of ThermoLite® Pro and 100% recycled ThermoLite® EcoMade and uses infrared technology for increased insulation
ThermoLite® Pro technology uses knitted, hollow-core fibres and infrared-absorbing ceramic pigments to reflect your body's heat back for enhanced warmth and comfort
Knitted fabric provides incredible stretch and freedom of movement and these liners work perfectly with sleeping bags of any shape
Mummy (Drawcord) version has a drawcord footbox for optimal comfort:
- The drawcord footbox and shoulder openings 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 - perfect for bathroom breaks
HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
Keeps sleeping bag clean on the inside
Comes with an Ultra-sil stuff sack

Sea to Summit

A stretchy liner to add up to 6°C warmth without adding significant weight and bulk

Lightweight Recycled

Product Specifications

Average weight 330g (Short), 350g (Regular), 365g (Long)
Foot width 55cm
Length 178cm (Short), 193cm (Regular), 206cm (Long)
Material 100% post-consumer recycled polyester
Rolled size 11.5 x 19 x 11.5cm
Shoulder width 80cm
Fits to 170cm (Short), 185cm (Regular), 198cm (Long)

Features

Thermolite® Pro technology uses hollow-core fibres and Far Infrared technology to trap and reflect your body heat without extra bulk
Stretch fabric means the Reactor Liner fits any shape of sleeping bag
Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep
Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit
Machine washable construction simplifies care and reduces wear on your sleeping bag over time
HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
Comes with a stuff sack
Crafted with certified recycled fibres and bluesign®-approved materials to minimise environmental impact

Sea to Summit

Add warmth to your sleep system in cool and cold conditions without the need for extra layers or heavy fabrics

Product Specifications

Average weight 265g
Foot width 55cm
Length 206cm
Material 50% Thermolite® Pro Yarn, 50% Thermolite® EcoMade yarn
Rolled size 15 x 7 x 11cm
Shoulder width 80cm

Features

Reactor liners provide a 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.
Fabric is a blend of 50/50 blend of ThermoLite® Pro and 100% recycled ThermoLite® EcoMade and uses infrared technology for increased insulation
ThermoLite® Pro technology uses knitted, hollow-core fibres and infrared-absorbing ceramic pigments to reflect your body's heat back for enhanced warmth and comfort
Knitted fabric provides incredible stretch and freedom of movement and these liners work perfectly with sleeping bags of any shape
The classic Mummy version has practical openings in the shoulders to allow you user to stretch your arms out
HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
Keeps sleeping bag clean on the inside
Comes with an Ultra-sil stuff sack

Sea to Summit

Boosts the warmth of your sleep system in cold conditions

Lightweight Recycled Antimicrobial

Product Specifications

Average weight 365g (Short), 400g (Regular), 430g (Long)
Foot width 55cm
Length 178cm (Short), 193cm (Regular), 206cm (Long)
Material 100% post-consumer recycled polyester
Rolled size 15 x 25 x 15cm
Shoulder width 80cm
Fits to 170cm (Short), 185cm (Regular), 198cm (Long)

Features

Thermolite® hollow-core fibres and grid fleece trap warmth with minimal added weight
Stretch fabric means the Reactor fits any shape of sleeping bag
Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep
Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit
Can be used on its own as a lightweight sleeping bag in warm-weather conditions
Machine washable construction simplifies care and reduces wear on your sleeping bag over time
HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
Comes with a stuff sack
Crafted with certified recycled fibres and bluesign®-approved materials to minimise environmental impact