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A cooling vest is a piece of specially made clothing designed to lower body temperature and make exposure to warm climates or environments more bearable. Cooling vests are used by many athletes, construction workers, and welders, as well as individuals suffering from Multiple Sclerosis, Hypohidrotic Ectodermal Dysplasia, or various types of sports injuries. ==Types == Cooling vests range in weight from around two to eight pounds, depending on the model. While many sub-types do exist, cooling vests fall into one of 4 primary types: *Evaporative cooling vests are typically submersed in water for around 3 – 5 minutes and lightly wrung out or blot dried. They are usually worn outside the clothing and as the water in the vest interacts with specially treated cooling crystals or other cooling agents and the water evaporates, body temperature is effectively reduced. *Ice chilled cooling vests make use of cooling energy packs that are activated inside of a freezer and then placed in pockets inside of the cooling vest. Because they are very cold to the touch, this type of cooling vest is always worn outside the clothes. *A phase change cooling vest makes use of cooling packs that maintain much higher temperatures. These phase-change packs often contain liquids (typically nontoxic oils and fats) that solidify (like wax) typically between 55 to 65 degrees and usually last between 4 – 6 hours. *A cool flow cooling vest makes use of a water flow system that pumps water through the vest using hoses. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cooling vest」の詳細全文を読む スポンサード リンク
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