I just use my old all Cordura work pack. Corduroy wears like iron.
It has 37l capacity plus an extendable nylon neck, aluminum stays and a very good supportive waist belt that takes most of the load weight.
https://www.deakin.com/products/Details.aspx?p=641566&c=1345&g=5515
It has 37l capacity plus an extendable nylon neck, aluminum stays and a very good supportive waist belt that takes most of the load weight.
https://www.deakin.com/products/Details.aspx?p=641566&c=1345&g=5515