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PRODUCT OVERVIEW
The THERMOLITE® Reactor is Sea to Summit's most popular sleeping bag liner, made from 80g/m2 THERMOLITE® which is 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 your sleeping bag or can be used alone as a warm weather bag.
$99.99