Camera bag manufacturer thinkTank photo have launched a sister company to handle the outdoor gear - MindShift Gear. Check out the Kickstarter Page
The first product has just been launched via Kickstarter, the Rotation 180 Pro is a "9 out of 10" on the technical backpack scale according to co-designer, Mike Sturm.
You can see their KickStarter and more about the product via this link.
This image by Doug Bush of MindShift - Jerry wearing the R180 Pro.