I would HIGHLY recommend this bag. https://www.amazon.com/gp/product/B01H8OLPQS/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
I paid $60 for it but now it is a steal at $40.
It is large. It has a separate compartment for camera gear. I am able to fit my Sony A7II, Sony FE 2470, 55mm, 28mm, gopro...