Yes, without question is has to be this.

Reebok Debuts ZigTech – An Energy Drink for Your Feet…

Hello?

"What would you do if you had more energy? Run faster? Train longer? On March 11th, Reebok allows athletes to find out with the highly anticipated launch of ZigTech, the brand’s most technically advanced running and training shoe.

"ZigTech allows your key leg muscles to do less, so you can do more. Simply put, it’s like an energy drink for your feet."

Oh, right....(*rolls eyes*)

If you're really interested, read more.