Thermolite Reactor LinerOur most popular sleeping bag liner! The Reactor is made from 80g m THERMOLITEthe 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 8C of warmth to your sleeping bag or can be used alone as a warm weather bag. Tech Specs Lighter weight, more packable than fleece Mummy shape with a box foot Drawcord hood with mini cord lock
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