Join our growing community of
Sea to Summit adventurers in india.
GET 10% OFF ON YOUR FIRST PURCHASE*
*Not applicable with any other discounts
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 8°C of warmth to a sleeping bag or can be used alone as a warm weather bag. Our bestselling sleeping bag liner!