'Flame Base' shirt heats up to keep your temperature just right
 

Sweaters, jackets and long johns are all "wearables" that keep us warm, but they aren't all that smart -- if you walk into a room that's too hot or exercise too hard, you need to stop using them to cool down. It's an inconvenience we've grown used...

http://www.engadget.com/2014/09/13/f...=rss_truncated