Brightline Bags - Flex System - B10 Classic
There isn't a good pocket for a wallet and other things about that size. Sure, I could put my wallet in the large center section, but I wanted to see a right-sized wallet pocket.  Call me particular.  I don't want a pocket for every individual thing.  I prefer a pocket that holds a few similar items such as one pocket for keys, wallet and FOB.  Another pocket for passport and certificates, etc.  These are just random examples.  The reason I didn't find the bag useful as I would have liked was I prefer a lit