Sea To Summit Thermolite Reactor Fleece Liners low weight to insulation ratio makes them ideal as a stand alone summer weight sleeping bag or to add extra insulation to your existing bag in cold weather.

Manufactured from 100% Thermolite double sided brushed fleece fabric, these machine washable liners utilise a mummy shape design that incorporates a quarter length zipped side entry and a one handed drawstring hood. 

When not in use, these hygienic fleece liners pack away compactly in to a tough ultra-sil stuff sack.