# POLAR-RS400sd
For the active runner who runs multiple events each year. You demand more information and analytical feedback. You want to shave off minutes and seconds from your personal best with proper training planning. RS400sd is your system for planning, monitoring and analyzing your running. With daily information on your aerobic fitness and running economy, the RS400sd meets your needs as an active runner with racing aspirations. Comes with the same running features as RS400, plus detailed speed/pace and distance tracking.
Price: $369.95 Online Sale: $295.96
Color:Black Options: .
Color:Black:
