THERMOLITE® Reactor Extreme is Sea to Summit's warmest seamless sleeping bag liner. Reactor Extreme provides additional warmth to the sleeping bag, and in warm weather or indoors, it can be used as a hygienic sleeping bag on its own.
The hollow fiber of THERMOLITE® fabric act like polar bear fur and, combined with a specially knitted structure, effectively trap warm air. Super soft and surprisingly flexible, the Reactor Extreme uses a heavier version of THERMOLITE® to provide extra warmth for an incredibly comfortable night's sleep.
Sleeping bag liner Sea to Summit Reactor Extreme : Additional information
Weight: Regular 399 grams | Long 422 grams
Length (with pillowcase): Regular 210 cm, Long 235 cm
