New Jersey, USA
My work bag is usually just my purse, that leather guy in the upper right hand corner. But on days I need some extra help, I usually grab whatever empty tote is on my bedroom floor. Here are some of them. I will also throw a couple of the smaller ones into my suitcase (lately, pizza and tumblr) when I go to conferences to prevent ARC hoarding.
I also used to use this backpack when I’d commute to my internship at a Brooklyn startup a few years ago.