Now this concept is not new, we have already heard of build in designer wear clothes and various cooling jackets utilizing liquids and high-tech materials. But the ventilationVest from Entrak personal climate systems sounds very innovative and different from the rest as it has fans that represent a new trend in thinking about personal climate control. This jacket is craft made to distribute air evenly around the torso and provide evaporative cooling for up to eight hours on a single battery charge. The result is a system that increases evaporation and keeps the user cool by supporting the natural thermo regulation system of the body. The two air fan cartridges can be switched on and off independently and the rate of flow is adjustable up to the maximum of 550 liters per minute. These kinds of products are of optimum use in difficult conditions like steel and chemical industry, fire brigades, armed forces, mining, and forestry emergency services and for private sector use in sports and fitness pursuits.

The vest weighs 2.87 lbs (1,300 g) or approximately 850 g (1.87 lbs) when the fan cartridges are removed and batteries can be recharged in around three hours.
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