Chilly, dark days may have you in hibernation mode, but science has found more than one good reason for investing in cold weather running gear when hitting the road (or trail) and running outdoors.

Winter running can be downright exhilarating if you have the right tools to keep you comfortable. Hats, gloves, and mittens ...

Outerwear When running in the winter, your top layer should shield you from the worst weather; guarding against rain, sleet, and snow. As always with layers, resist the urge to bulk up. Light and ...