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Reactor Mummy with Drawcord Sleeping Bag Liner Reactor Mummy with Drawcord Sleeping Bag Liner Reactor Mummy with Drawcord Sleeping Bag Liner
Reactor Mummy with Drawcord Sleeping Bag Liner
Add warmth to your sleep system in cool and cold conditions without the need for extra layers or heavy fabrics
Insulated Lightweight Recycled
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
  • 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
Reactor Mummy Sleeping Bag Liner
Reactor Mummy Sleeping Bag Liner
Add warmth to your sleep system in cool and cold conditions without the need for extra layers or heavy fabrics
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
  • 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
Reactor Midweight Sleeping Bag Liners Reactor Midweight Sleeping Bag Liners Reactor Midweight Sleeping Bag Liners
Reactor Midweight Sleeping Bag Liners
A stretchy liner to add up to 6°C warmth without adding significant weight and bulk
Lightweight Recycled
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)
  • 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
Reactor Fleeceweight Sleeping Bag Liners Reactor Fleeceweight Sleeping Bag Liners Reactor Fleeceweight Sleeping Bag Liners
Reactor Fleeceweight Sleeping Bag Liners
Boosts the warmth of your sleep system in cold conditions
Lightweight Recycled Antimicrobial
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)
  • 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