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A cooling vest is a piece of specially made clothing designed to lower or stabilize body temperature and make exposure to warm climates or environments more bearable. [1] [2] Cooling vests are used by many athletes, construction workers, and welders, as well as individuals with multiple sclerosis, hypohidrotic ectodermal dysplasia, or various types of sports injuries.
A liquid cooling and ventilation garment (LCVG) has additional crush-resistant ventilation ducts, which draw moist air from the wearer's extremities, keeping the wearer dry. In a fully enclosing suit where exhaled breathing air can enter the suit, the exhaled air is moist and can lead to an uncomfortable feeling of dampness.
One advantage of air-cooled clothing is that it requires much less energy to cool people down than to cool down their entire environment. For instance, an air cooled shirt uses 4,400 mAh of power for 8.5 hours on the fastest fan setting, while an average central air conditioning unit uses 3000 to 5000 watts of power [citation needed].
Liquid Cooling Garments (LCG) are used to decrease the wearer’s bodily temperature and keep them comfortable. Generally, an LCG uses a series of coolant-filled tubes and a refrigeration unit and a pump to move the coolant throughout the system. These parts are usually encased inside of a normal garment, usually a vest. [4]
The 5-volt powerbank allows one to use a common powerbank for both heating apparel and charging personal electronics. The 7.4-volt battery is the most common type of heated clothing battery system, and may be rechargeable. The most popular items sold have traditionally been heated gloves and jackets.
However, in situations demanding one is exposed to a hot environment for a prolonged period or must wear protective equipment, a personal cooling system is required as a matter of health and safety. There are a variety of active or passive personal cooling systems; [ 20 ] these can be categorized by their power sources and whether they are ...
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