Reactor Thermolite Liner
$57.95
Discover the unmatched quality of Sea To Summit’s Reactor Thermolite Liner. The ‘Reactor’ is made from ThermoliteAA, a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Adds up to 15 degrees F / 8 degrees C of warmth to a sleeping bag or, used alone, is the ideal warm weather bag.