Athletes can keep cool with the Nike PreCool Vest
Thermos-esque sports clothing
6 May 2008 10:06 GMT / By Stuart Miles
Nike has launches a new sports "vest" that aims to keep athletes cool and boost performance, called the "PreCool Vest".
This piece of futuristic clothing lowers the body's core temperature, which enables muscles to perform more efficiently as the body is not dedicating resources to cool down.
It is meant to be used up to an hour before a competition, claiming to let the athlete last up to 21% longer on the field.
How does it work? Like a Thermos flask essentially - the inner layer is filled with frozen water while the outer layer is coated with aluminum.
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