Freitag is a Swiss company that makes travel bags out of truck tarp material. The Voyager is a roll-top, waterproof model that's the right size for use as an airline carry-on. It would work as a motorcycle bag, too. Price is in the "if you have to ask" category.
In North America, there are stores carrying Freitag products in San Francisco, Seattle, Toronto, NYC and Boston. The web site is http://www.freitag.ch/
https://www.youtube.com/watch?v=syaI8JWcw3Q
In North America, there are stores carrying Freitag products in San Francisco, Seattle, Toronto, NYC and Boston. The web site is http://www.freitag.ch/
https://www.youtube.com/watch?v=syaI8JWcw3Q