The Suunto Chest Strap is compatible with the Suunto Smart sensor module and the Movesense sensor.
The chest strap is fully machine washable (remove the module first).
This black belt is size L and suitable for 96-160 cm / 38-63″ chest circumference.
This belt is also available in sizes S and M.
For use with Suunto Smart Heart Rate Belt and Movesense sensor