Even if you're more into fall than Sigourney Weaver holding a pumpkin, that sudden temperature drop really does a number on the clothes-computing side of the brain. Like, "Here's some denim...and some wool. Are we done?" No, never—not when there are dresses to be worn over sweatshirts to be worn over pants. Here, we present seven more-exciting-than-usual layering ideas for the season.