Shape-Up sneakers. You've seen them around—the tragically clunky, inflated shoes that make bold promises to tone muscle, promote weight loss, and even improve posture. Whether by gym rats' orders or simply through word of mouth, this wave of wobbly sneakers is upon us. But, alas, the most arduous part about wearing these shoes is actually wearing them without looking dopey. Since we're always up for a good style challenge, we've attempted to work these aesthetically dubious clunkers into four fresh outfits. But you tell us: Are these looks made for walking or are they a serious fashion misstep?