Permission Few discomforts are more annoying and potentially dangerous than being cold.
Moisture is lost through the sweat glands.
When the moisture is turned to vapor, heat is extracted from the body. When clothing becomes wet from perspiration or other sources, it becomes less insulative, allowing the body to cool. Wool and some synthetics insulate better than other fabrics when wet, but no clothing is really warm when it is wet. Conduction occurs when heat is transferred directly through a medium. This type of heat loss is minimal with a reasonable amount of clothing.