This lightweight foot pod transmits distance and pace data. It's small enough to attach to shoelaces or fit in the mid-sole pocket of compatible shoes.

The Polar S1 foot pod? should be just as much a part of your training as your running shoes. Accurately measuring your running speed/pace and distance, this essential tool will be with you every step of the way. And even though it attaches to your shoe laces, it?s so light that you?ll forget it?s…

Transmits speed and distance data to get an even more complete picture of your performance - uphill, downhill, and on any terrain.