Running around campus (or the office, depending on your sitch) can be such a chore. Who was it that decided you should have to dash across the quad to make it to Chemistry on time or that the ladies room should be at the opposite end of the floor from the conference room, anyway? Well, in most cases, you can't change your schedule, but you can switch up your footwear. Instead of wearing those killer heels that kill your feet, slip on or lace up a pair of flat shoes or boots. We've got 13 pairs of shoes for you to consider ...