


Under Armour trainer Nate Costa helps ReadWrite editor-in-chief Owen Thomas put on the Armour39 activity tracker. My testing of Armour39 also enlightened me on how Bluetooth works in fitness devices, and how the intentional quirks of the device actually make it superior for some kinds of workouts. But for someone like me, who is interested in testing and improving my fitness through activities like Olympic weightlifting, high-intensity interval training, Tabata, and Bikram yoga, it may be the perfect device. My takeaway: Armour39 is not for the everyday gym rat or trail junkie. it’s been pushing me to the edge, in a good way-and I’ve been putting the device through some torture tests of my own. Since then, I’ve continued to work out with the device in San Francisco.

I got a chance to test it in March at the South By Southwest Interactive conference in Austin, Texas. I’ve long been fascinated by Armour39, an activity-tracking device made by Under Armour. ReadWriteBody is an ongoing series where ReadWrite covers networked fitness and the quantified self.
