It's that time of year again. You know, when the season changes and you're like, "What the hell do I wear for this freaky climate?" The solution is to layer, layer, layer. The first step to a chicly layered outfit is a great cardigan. When it's chilly, but not wintry cold, it helps to have a transition cardigan in a lightweight fabric like cotton, cashmere, or a thin merino wool. But a chunkier cardi also works because it can replace your jacket if it's thick enough. Keep clicking to see 19 of our favorite transition cardigans.