US Patent 10098391 Apparel article to pre-cool the body

Described are articles of wear having a base layer, a plurality of cooling zones positioned on the base layer so that substantially all of the plurality of cooling zones are positioned adjacent regions of a wearer's body having highly efficient heat transfer properties of a wearer when worn, and cooling material contained within the plurality of cooling zones. The article of wear is configured to reduce a wearer's body heat content through heat transfer from each region having highly efficient heat transfer properties to each cooling zone when the cooling material is pre-cooled prior to wearing.