Sea To Summit Thermolite® Reactor and Reactor Compact Plus Liners (Adds up to 20ºF) chemical ISBN: 978-0-89886-867-8

ISBN: 978-0-89886-867-8

And SmartWool's 100% Merino wool is incredibly soft

Constructed from wool felt

Pacific Crest Trail

and her ever-present passion for mountains

Sea To Summit Thermolite® Reactor and Reactor Compact Plus Liners (Adds up to 20ºF) chemical ISBN: 978-0-89886-867-8The THERMOLITE Reactor Compact sleeping bag liner is the ideal choice for gram counters under 6 feet who want to add warmth to their sleep system. The worlds first hybrid sleeping bag liner uses a combination of two weights of THERMOLITE fabric, with the warmer fabric strategically positioned across the torso and in the footbox. The hollow core THERMOLITE fibers work like the hollow fur of a polar bear to trap extra insulating air. The Reactor Compact