Four weeks of flitting to and from runway shows in New York, London, Milan and Paris had fashionistas forsaking their fancy footwear for--hallelujah!--norm-core sneakers. Like the kind cost less than $100. I'm all for this trend, because it's one that I can shamelessly/easily execute in my running-around, everyday life. There are so many--almost too many!--good options, but I'd boil it down to these by , , , and .