A thermal sleeping bag liner enhances coziness and promotes cleanliness for any sleeping bag.
Imported
A mummy shape designed for maximum thermal efficiency including shoulder zippers and a footbox drawcord for additional temperature regulation, Sea to Summit Guarantee is offered for the Lifetime of this product
HeiQ Fresh odor control technology helps keep the liner fresh even after extended use
Hollow-core Thermolite EcoMade fibers are used in a grid-pattern fleece for maximum warmth retention
thermolite
Drawcord footbox can be opened or closed for optimal comfort and integrates perfectly with the footbox of our Free-Flow Zip system in select Sea to Summit sleeping bags