

When we need a little extra warmth on cool fall camping trips, we pack the Sea To Summit Reactor Fleece Mummy + Drawcord Sleeping Bag Liner. The cozy liner gives us a 10% thermal boost to our 3-season sleeping bag, helping retain more heat while we camp at higher elevations. The drawcord design of the footbox allows us to customize our ventilation, offering extra breathability on milder nights and trapping heat when nighttime temperatures plummet.
Price: $67.46 from Backcountry
| Merchant | Price | |
|---|---|---|
| $67.46 | Visit Store |
When we need a little extra warmth on cool fall camping trips, we pack the Sea To Summit Reactor Fleece Mummy + Drawcord Sleeping Bag Liner. The cozy liner gives us a 10% thermal boost to our 3-season sleeping bag, helping retain more heat while we camp...
Add warmth to your sleep system in cool or cold conditions: with our 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...
In humid conditions, the blend of 70% Coolmax Ecomade and 30% biobased Tencel Lyocell fibres wick moisture effectively to prevent you feeling clammy. Outdoor users will usually opt for the Mummy version, which stretches to fit any sleeping bag shape.