Sea To Summit Thermolite® Reactor
The Thermolite® Reactor increases sleeping bag performance by up to 8oC. Our best selling sleeping bag liner!
The REACTOR is made from 80g/m2 Thermolite® - the lightest weight Thermolite® fabric available. Thermolite® is a hollow core fibre that provides amazing warmth for its weight and remains extremely breathable. The REACTOR adds up to 8oC of warmth to a sleeping bag or can be used alone as a warm weather bag.