Review on Eberlestock Mainframe Pack: Optimized Backpacks and Versatile Daypacks by Matthew Owens

I didn't think Eberlestock could beat their flagship J107 bag. but they did. First of all, it goes without saying that the quality of this packaging lives up to the Eberlestock name. It will take my whole life and my children. Second, this pack has many options. As others have said, it works well with a duffel bag. But actually I drive the Transformer and I really like it. The combo is lightweight and offers great freedom of movement, but if I need to lug something big I just detach the Transformer and have a versatile carrier. This is a great hunting backpack, but in the off-season I take it as a bag to repel bugs.