How about ultralight backpacks that weigh less than four ounces?
That's not a typo. At Backpackinglight.com they carry the Gossamer
Gear G6 Whisper. It has a capacity of 1800 cubic inches, plus
more in the expandable rear pocket. It is only designed to carry
a fifteen-pound load, and I imagine it is a bit more fragile
than the average pack, but it weighs just 3.7 ounces. Start with
a pack that light and you are well on your way to keeping the
load down to fifteen pounds. If you have tried it, please contact
me to let me know what you think.
Video: Ultralight Backpacks
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Other Ultralight Backpacks
I just bought a six ounce pack at Walmart. You didn't know
that they sold ultralight backpacks there? Neither did they,
I'm sure. It was intended as a day pack or pack for school, but
with 1200 cubic inches and weighing only 6 ounces, I will use
it for summer overnighters. And it only cost $4.
It isn't hard to imagine that a decent-sized backpack could
be made at home that weighs less than 8 ounces. A simple one,
without extra pockets, made from light nylon material- how could
it weigh much? I'll keep my eyes open for a design that I can
post here.
Alternatives to Ultralight Backpacks
I have used my 8-ounce duffel bag as a backpack. It doesn't
have any pockets to help organize things, but it has lots of
room, and it is very tough. Actually, a full-length zipper makes
it so easy to see everything that organization isn't very important.
I have also gone on short trips just carrying a bivy sack, bottle
of water and a few granola bars in the pockets of my jacket.
Any other ideas out there? Let me know.