More to explore:
repair a Torn mesh pocket on a backpack
made of Dyneema®. If you don't know what that is you need to check it out..
Backpack shoulder straps
How To Transform Your Hoodie into a Backpack,
Backpack Cheat Sheet by Campmor
living out of a backpack
He'd likely have a black one of these stashed wherever, or something similar. Multi-Purpose 1 day pack ( FirstSpear is a brand created by former U.S. servicemen, they develop enhanced light-weight load carriage solutions for the US Special Forces )
How to Choose and Fit a Backpack
Good backpack to hold all your gear
time to replace the old backpack....