Garmin foot podgarmins new foot pod sdm4 can track your distance and cadence both indoors and out attach this smaller foot pod to your laces or under the insoles of specific shoes garmins foot pod utilises advanced mems inertial sensor technology to offer optimal tracking of your activity such as movements stride length speed and distance this all weather training aid has a small replaceable battery that is very quick and easy to change for a complete list of foot pod compatible devi