Firefighters, soldiers and athletes have at least one hazard in common: In warmer climates, they often find themselves at the mercy of extreme heat. In the mid-1990s, Glacier Tek developed a cooling vest to help people beat the heat. The Original Cool Vest™, powered by PureTemp, maintains a comfortable 59°F for up to 2½ hours in 100°F heat and recharges in minutes.
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