Ralph Lauren made a great fitness shirt that also happens to be 'smart'
 

Ralph Lauren's PoloTech shirt is smarter than it looks. It's also more expensive. The tee combines the fashion label's preppy aesthetic with the ability to deliver live metrics (heart rate, breathing and steps) from the shirt to your iPhone. The tech...

http://www.engadget.com/2016/03/18/r...lotech-review/