Thermolite Reactor Sleeping Bag Liner

The Sea to Summit Reactor Sleeping Bag Liner is made from Thermolite, which is a breathable hollow core insulating fiber. The liner adds up to 15 degrees F of warmth to a sleeping bag or, when used alone, is an ideal warm weather sleeping bag. PRODUCT FEATURES: • Lighter weight, more packable than fleece • Color of liner is black • Draw cord hood with mini cord lock • Mummy shape with a box foot • Adds up to 15 degrees F / 8 degrees C of warmth to a sleeping bag