The normal healthy temperature of the human body is 98.6 degrees F. If you go just two degrees below that, you are in a serious condition. Go five degrees further and you can die.
And if you're out in extremes of cold weather, either for pleasure or necessity, knowing how your body loses heat may well save your life.
Conduction - Your body will lose heat by transfering it onto another surface which is colder than your body temperature. If, for example, you have to hold, push or pull something which is very cold and you don't have gloves to insulate your hands, you might consider a pair of socks. Sounds daft, but those socks could well be a life saver.
Convexion - This is like conduction, but the object and body part which are in contact are also moving in relation to each other. So, a cool breeze on your face might not be a problem, but a howling 60 mile an hour wind will soon start to whip the warmth out of your body and lower its temperature. Sounds daft, but a pair of socks wrapped around your face could well save your life.
Radiation - Radiation is the transfer of electromagnetic energy between two objects of different temperatures. Exposed human skin is also a radiator. Sounds daft, but a pair of socks insulating your extremities could well mean the difference between life and death.
So don't knock socks. They could well save your life.
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