I used my backpack today on my bike and kept it in the proper place: the basket! As life would have it, the only reason I brought it was because I had a meeting and I thought I wouldn't make it home between. Turned out one meeting ended early and the other started late. It was unneeded. But my front basket held the backpack and a medium sized purse with a little room to spare.
Backpacks really aren't my style at all. I couldn't carry around a hiking backpack all day!