Once you're moving, you'll get warm outside. But those frozen hands… How can your hands get cold faster?
Your hands lose heat quickly when you touch things that are cold, such as the lock of your bicycle. In addition, in the cold, the blood flow in your limbs decreases, in order to keep your body at the right temperature. This draws all the heat to the center of your body, where the important organs are, far away from your hands.
