What to wear running in the winter is an ongoing trial-and-error process for many runners. Too little and we’re miserable, too much and we’re suddenly trying to figure out what to do with all those layers. Don’t worry, we’re going to break down the exact outfits to wear running at every temperature.

Colorado’s winter weather is renowned for being ever-changing, oscillating between mild and temperate conditions and bone-chilling cold within a single day. The proper running attire can be your ally...