Although this item is listed as having a waist belt, Wayno is right. I went out a few weeks ago with mate of mine who is a chocco from way back. He took his Vietnam era pack and suffered for it. They don't make them like they used to... and sometimes... that is a good thing.
Personally I'm partial to Crossfire, an Aussie owned mob who supply a lot of kit to the adf, their packs are here:
http://crossfire.com.au/category/packsTo go OT a little bit, the DG1 on that page is the pack worn by Willem Dafoe in the movie 'The Hunter'.