expedition sleeping bag
http://edwinqhpn824.xtgem.com/cold%20weather%20backpacking%20sleeping%20bag_%20the%20good_%20the%20bad_%20and%20the%20ugly
Sleeping bags are now one of those"Big 3" backpacking gear items (tent and back pack being the other two) and are, hence, one your most important chances to save money reduction.