Polar T31 Coded Chest Strap

The T31 coded chest strap helps to collect important running data. It connects to you wrist unit and provides accurate heart rate data. The strap is both slim and light of weight. The ECG chest strap is waterproof and can be worn in all types of weather.

The battery lasts for 2500 hours. Thanks to the Polar coding system you will be able to run with other without experiencing interference from their monitors. You will always train at your own pace and rhythm.