As the cold weather approaches, that doesn't necessarily mean it's time to stay indoors and shut down for the winter. Instead, with the proper gear, you can get outside and enjoy the crisp air and beautiful snowy landscapes. Below we break down all of the key gear items you'll need to stay cozy this winter, from puffy jackets and long underwear to insulated boots and mittens. And for those who plan on hitting the slopes, see our detailed ski gear reviews.