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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
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Reactor Fleece Sleeping Bag Liner-Mummy with Drawcord Reactor Fleece Sleeping Bag Liner-Mummy with Drawcord Reactor Fleece Sleeping Bag Liner-Mummy with Drawcord
Reactor Fleece Sleeping Bag Liner-Mummy with Drawcord
Sea to Summit's warmest sleeping bag liner
Average weight
420g
Foot width
55cm
Length
216cm
Material
60% Thermolite® EcoMade All Season yarn, 40% polyester yarn
Rolled size
25 x 9 x 14cm
Shoulder width
80cm
  • 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
  • Hollow-core ThermoLite® EcoMade All Season fibres are used in a grid-pattern fleece for maximum warmth retention
  • The Mummy shape is designed for maximum thermal efficiency and includes shoulder zips and footbox drawcord for additional temperature regulation and 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
  • Can be used as a stand-alone system for warm-weather adventures
Reactor Lightweight Sleeping Bag Liners Reactor Lightweight Sleeping Bag Liners Reactor Lightweight Sleeping Bag Liners
Reactor Lightweight Sleeping Bag Liners
Increase the warmth of your sleep system (up to 4°C) with minimal additional weight
Lightweight Recycled Antimicrobial
Average weight
235g (Short), 255g (Regular), 270g (Long)
Foot width
55cm
Length
178cm (Short), 193cm (Regular), 206cm (Long)
Material
100% post-consumer recycled polyester
Rolled size
10 x 18 x 10cm
Shoulder width
80cm
Fits to
170cm (Short), 185cm (Regular), 198cm (Long)
  • Lightweight and insulative, Thermolite® Pro technology with hollow-core fibres and infrared-absorbing pigments enhances warmth with minimal pack size
  • 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
  • Ideal for