Product Description

Our best selling sleeping bag liner! The “Reactor” is made from the lightest weight Thermolite, that DuPont has yet approved. Thermolite is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Adds up to 15 degrees of warmth to a sleeping bag or, used alone, is the ideal warm weather bag.

Product Features

• Lighter weight, more packable than fleece
• Adds up to 14 degrees of warmth to a sleeping bag
• Mummy shape with a box foot
• Draw cord hood with mini cord lock
• Weighs just 9 oz, packs into its own 3″ x 5″ sil nylon stuff sack