The following products have been tested by The Kaz Personal Fitness Program and are recommended because of their quality and usefulness.
Polar Heart Rate Monitors
provide several important benefits to anyone who is physically
active including:
Helps prevent overtraining
Monitors dehydration during exercise
Helps monitor progress
Helps to fine-tune pace
Gives insight into overall health http://www.heartmonitors.com/shop/kazuko_aoyagi.htm