Meet the Hexoskin smart training system: a shirt that tracks your activity and gives you insight into your workouts, sleep, and more. It measures your heart rate, heart variability, breathing rate/volume, activity, and sleep. It has 3 heart sensors to track your heart rate, help you train in your optimal heart rate zone, and measure your recovery. The Hexoskin biometric shirt has dual sensors to measure the shape of your body and track your breathing while you sleep.
Hexoskin can also measure steps, pace, cadence, intervals, and more. It is compatible with iOS and Android devices. You get 14+ hours of battery life and Bluetooth support. The shirt is made of breathable, lightweight, anti-odor, and chlorine resistant material. Users can always download raw data to analyze it on their own. The Hexoskin Starter Kit sets you back $399 at this time.[Source]