Timbuk2’s Robin Pack is my fatal attraction

I love bags of all kinds. I also love magnets. So imagine my excitement when Timbuk2 announced the new Robin Pack a few weeks ago, with not one, or two, but three sets of magnetic closures. "This might be the perfect 20 liter backpack," I thought. After three weeks of everyday use I can say it's close, but with one frustrating flaw.
What is it?The Timbuk2 Robin Pack is a compact 20 liter "bike and work" backpack meant for daily use in all types of weather. It features two pockets secured with ma