Here are several links to reviews of the Bergen Rucksack by DD hammocks. The Action Pack that can be ordered as part of the Superlight combo attaches to this pack with "Velcro."

Forrester Buscraft 8:43 min review
http://youtu.be/UfqNvAtj0oA

Fozz of Forrester Bushcraft. 9:56.p mins. Detailed review of Action Pack and how it (and other pockets) can attach to the Bergen Rucksack

http://youtu.be/ISDCFQn41tI


Forrester Bushcraft 13 min - What I keep in my (Bergen) Backpack:
http://youtu.be/haBDx8wFBbs


This is a shock cord mod to keep the side pockets flush with the pack
http://youtu.be/rNZB1n6cP20

8 min review in German
http://youtu.be/4gz0U_Xr1Ho