It's got a PRACTICAL survival kit listed. In other words, <15 lbs, not counting water or food. also, google for "gossamer gear', and check out the 1/2 inflatable "frame" for converting super lw daypacks into something that can make it feasible to walk 20 miles a day, with 30 lbs in a 1.5 lb daypack. If it's WROL, best figure on 5 lbs of concealable body armor, and figure on converting a vest into a pair of boxer shorts. A single buckshot pellet or .22lr bullet thru your bladder, thigh or butt, and you're done, if it's WROL. It might take a day or 3 for the infection or something else to actually cause brain death, but you'll be wishing you were dead sooner.