Here is a smart t-shirt that can be used to monitor your heart rate, allowing you to maximize your workouts. HeartIn is comfortable to wear and comes with a module to measure ECG signals from your body. HeartIn’s ECG-tracking technology gives you insight into your aerobic load and heart rate, so you can exercise properly and know when to get rest.
The shirt has sweat wicking properties. The smart module lasts up to 24 hour on battery.