I hope my colleagues attending the Southwest Fertilizer conference in San Antonio, Texas, today have packed one of these Nike PreCool Vests. Designed to cool the core temperature of an athlete’s body prior to competition, it will be just the thing to prime them for firm hand-shaking action in the Marriott Rivercenter lobby.
Each triangle is made of two layers to keep it cool. The inner layer is filled with water, which is frozen, while the outer layer insulates like a thermos. Coated with aluminium, the triangles also reflect radiant heat, according to an article in the July/August edition of “American Chemistry“.