Sleeping Bag Liners

The THERMOLITE Reactor Fleece sleeping bag liner is a luxuriously soft and super warm liner that can bump up the warmth of your sleeping bag consid...

The THERMOLITE Reactor liner is Sea to Summit's top seller in the sleeping bag liner range. It's an excellent cold weather option for those who nee...

The luxurious feel of premium AA Grade silk, made even more comfortable by stretch panels running along the main seams; all in a super lightweight,...