CADeN Compact Camera Shoulder Crossbody Bag Case Compatible for Nikon, Canon, Sony SLR/DSLR Mirrorless Cameras and Lenses Waterproof(1.0 S, Black)

I have several of these caden bags. It perfectly holds a camera with a spare lens. Its light, compact, and water resistant. and cheap. It fits nicely inside a backpack if that is what you need. caden camera bag I just realized you have the pancake. Yes the bag is bigger than a z6 with pancake. but still, you could put other things in there besides your camera. Its a tactical purse essentially. Might be a crazy idea, but if you know someone who sews, they could chop it down for you.