http://adventure.nationalgeographic.com ... 00x450.jpg
FlashDry is a technology that embeds microporous particles touted to dissipate moisture (that is, sweat) better than wool or traditional polypro. The FlashDry particles increase the surface area that moisture sits on to allow it to spread out and evaporate quicker.
can't find anything on northface website..
http://running.competitor.com/2012/02/s ... ence_47664
http://letmegooglethat.com/?q=north+face+flashdry (sorry wanted to shorten link)