polar rs300x g1

For cross-sport trainingSpeed and distance is nothing without heart rate monitoring. Only by combining these three with the RS300X, you can truly make sense of your training.

For cross-sport training Speed and distance is nothing without heart rate monitoring. Only by combining these three with the RS300X, you can truly make sense of your training.

POLAR RS300X-G1 GPS Running Computer with Wearlink Coded Chest Transmitter color: orange