K...if you can find something on ebay, or wherever, from Dana Design's expedition packs in "overkill"...basically an expedition pack made in 1000 denier codura pack cloth, then well worth it. Terraplane, Alpine and others,might be somewhat weighty, but well worth their comfort level. I've used an Overkill Alpine, (5200 ci) for the past 6 years, when needed, and have never regretted it. It'll stand up to the utmost abuse and use. Ed