US$ 25.58
kelty backpack hiking day pacl Redwing 44 Pack - Unisex Color:Black Togo Backpacks-Medium 5 Faves & a for a stable and
5 Faves & a Dud: It's (Ne)on! - AthletiKaty
Many pockets and a large size
Backpacks-Medium
Color:Black Togo
The main disadvantage of using an ICU (or similar) in a non-photography backpack is that access is limited to the top of your backpack (unlike the rear and side access of dedicated backpacks)
for a stable and comfortable hike.