Add warmth to your sleep system in cool or cold conditions: with the Sea to Summit Reactor Liner. Using Thermolite® Pro fabric with infra red-absorbing ceramic pigments and Thermolite® EcoMade fibres , the new Reactor takes thermal performance to the next level. The stretch-knit fabric provides optimal comfort, and ensures the Reactor fits any sleeping bag.

• 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
• 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
• HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
• Knitted fabric provides incredible stretch and freedom of movement - Reactor liners work perfectly with sleeping bags of any shape
• Comes with a storage case
• Materials: Thermolite® Pro & EcoMade Polyester
• Weight: 9.5oz / 268g
• Length: 78in / 198cm
• Width: 31.5 in / 80cm (shoulder) 21.6 in / 55cm (foot)
• Packed Size: 5.9 x 2.8 x 4.3in / 15 x 7 x 11cm