There is no end to smart wearables that are specifically designed for runners. There is some device or the other that targets every conceivable nook and corner of a runner's body - top of the head, ears, chest, forearm, wrist, lower back, thighs, quads, calves, ankle, feet. Connected sneakers with coaching features, form-tracking foot pods, running smartwatches for interval training, hear rate monitors, wireless headphones for music playback, smart armbands and more. They help you collect running data to improve form, reduce training mistakes, reduce injury and more.