Cold water jumping!

Ice cold bathing. Bathing is the immersion of the body in a fluid, usually water or an aqueous solution. It may be practised for hygiene, religious or therapeutic purposes or as a recreational activity. Bathing usually involves the removal of at least some clothing; normally in private baths all clothing is removed. The amount of clothing removed depends on circumstance, custom, and willingness of bathers to reveal themselves. A swimsuit, swimming costume, or bathing suit is a garment designed for swimming or bathing. Typically a men's suit consists of shorts or briefs. A women's suit often consists of two pieces that cover the breasts and pubic region, or of one piece that resembles the combination of briefs and a tank top joined together. Hypothermia is a condition in which an organism's temperature drops below that required for normal metabolism and bodily functions. In warm-blooded animals, core body temperature is maintained near a constant level through biologic homeostasis. But when the body is exposed to cold its internal mechanisms may be unable to replenish the heat that is being lost to the organism's surroundings...