Tatonka Yukon 70 Amazing backpack for anything you want. Simple travel with heavy loads, or use as an approach bag to the closest rock. The V2 back system allows to setup the shoulder straps for any height of person (I am 6'6", 198cm), so it was not easy to find a good pack. The airventilation is pretty good, under heavy loads too. It is waterproof I guess, I never used a raincover for it and all of my stuff was dry. Inside you can separate a sleeping bag part at the bottom, so you don't need to… Full review
This a really nice backpack if you don't travel too heavy. I've been 1 month travelling with it on the back and I was comfortable enough to continue. There are 4 outside pockets that makes this pack very useful. Although it's really not everyone who is comfortable with it, I'll recommend it if you have a low budget and you want something good. Full review
Tatonka has a sister company, Tasmanian Tiger, which manufactures tactical backpacks.