For endurance athletes who want precise coaching to perfect their training.

ZoneOptimizer coaches you to train at the right intensity

Sport profiles guarantee a swift switch between different sports

Improves performance with endurance training programs, downloadable from polarpersonaltrainer.com with the Polar DataLink

Provides heart rate even in water with the comfortable hybrid transmitter

Race Pace helps you cross the finish line in time

Light (46g) and always ready for use with no need for charging

Up to 8-11 months of battery life