Nike has unveiled the Precool Vest for the Beijing Olympic 2008. It is specially developed to keep athletes cool – featuring multiple triangular cavities of various sizes and inside there is frozen water. To be used within one hour prior to competition, lowers the body of the athlete and they last 21% longer. The vest is made from two different materials – one act as a thermos preventing the cold from escaping and the second helps to keep the body cool.

[via New Launches]