I have found that the head and lower extremities are two main targets. A good warm hat and socks & shoes along with leg warmers for men and women is the key. My leg warmers as in wool or thick cloth work great.
Be sure too to have water it helps to hydrate the body. Horse and dogs prove this. Watch how much more water they drink in cold weather verses hot.
Be sure too to have water it helps to hydrate the body. Horse and dogs prove this. Watch how much more water they drink in cold weather verses hot.