Snugpak Fleece Sleeping Bag Liner with Zip OliveThis Fleece Insulating Liner from Snugpak features a full zip for ease of access and is ideal for adding an extra layer of warmth to your sleeping bag during the colder months. Excellent wicking qualities, removes excess moisture ensuring a dry, comfortable and warm night's sleep. The drawcord hood can be adjusted for additional comfort and insulation around your head area. Two ties at the base of this mummy shaped liner, allow you to attach it to