I just used a cheaper canon one previously. Now I'm upgrading to a Lowepro bag which seems to be pretty weather proof. From my experience you could get by with a cheaper canon backpack, but you might as well buy a nicer bag right away. I suggest the Lowepro AW series.
MESSAGE ME FOR CUSTOM DIECUTS! HUGE COLOR SELECTION AND LOW PRICE!
I didn't choose the thug life, the thug life chose me
This made me imagine Dollo pounding some fine swedish ass with his goggles on backwards, shouting "arf arf!" every thrust