Word: precool
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Nike has not been as active in the commercial market, but it may have developed the most innovative cooling product for the Games. This winter Nike tested its Precool vest, which looks like a James Bond jetpack, on the Australian field-hockey team and found that it slows the rise of athletes' core body temperature 19% during competition. The company's researchers instruct athletes to wrap themselves in the close-fitting vest, which holds about a dozen ice packs, for 60 minutes before a race or game. During the first 30 minutes, the athlete relaxes; the next 30 are spent...
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