Sleeping Bag Liners

The Sea to Summit Adaptor COOLMAX® Liner with Insect Shield® is an excellent and versatile choice for your buggiest adventures. The knitted COOLMA...

The 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 THERMOLITE® Reactor™ Extreme liner is Sea to Summit’s warmest knitted sleeping bag liner. If your adventures take you to colder climates, the...