A lot of research and development goes into the clothing you throw on every morning before shuffling out into the cold. Imagine a constant, molecular battle fighting to keep the elements away from your body, whether you're scaling an icy cliff or departing for work at daybreak.
Some technological advances in cold weather protection allow for maximum breathability across multiple layers, while other fabrics can literally harness your perspiration and generate heat. Or just take your bed with you everywhere in the form of a sleeping bag bodysuit.
Check out some example of cool wearable tech. Do you own any of these items? What's your most reliable wintertime gear? Let us know in the comments.