I customized a small Zero and within minutes wanted to change the color. I emailed Rickshaw immediately, and the next day I was notified that my original bag was already finished and would be shipping out - but that if I didn't like it, they would indeed take it back and exchange for the color I'd requested in the second email. Well, I did not like that first color, and (as another reviewer mentioned) the strap was ridiculously short for this 5'6" woman. I sent it back and configured a new bag, requesting a longer strap. Rickshaw assured me this could be done. I ended up customizing the solid reflective exterior (a nice herringbone look), with the "Rain" tweed interior - which is grey, not pale sky blue as it looks online. This bag reached me in less than a week, and it's a sturdy, lightweight, capacious bag. However, despite all the strap discussions, they sent me the standard-length strap on this one, too. We are working to solve that, but it is a minor niggle. I transferred all of my handbag gear from a leather satchel to the Small Zero, and the wider strap and lighter weight of the Rickshaw bag makes it much more comfortable to carry. I wish the solid reflective did not cost quite so much! I also wish you could order custom Strap Pads to match the exterior of the Zero.
Ordered a custom small Zero, not only is it even better quality than I imagined, but the front pockets and the internal drop pocket (an optional addition) hold everything I need on my daily commute to and from work. I'm diabetic, so I have to carry around a few extra things, but I can stash a phone charger, full insulin kit/meter stuff, lunch, my wallet, and my phone, in this bag and still have room to spare.
For being the small size, it's really, really useful. I love it!