The backpack iteration of the style is clean, sleek ... a mid-size backpack will be your best bet. A convertible backpack is also a great option, as you can carry it as a handbag in the evening.
The best bag for work isn’t one ... my colleague Rachael Griffiths and I surveyed a bunch of stylish, industrious women about the multitasking tote bags, backpacks, and over-the-shoulder options ...