Heart Rate MonitorsIf you want to have a very efficient workout, you have to keep an eye on your heart rate, before, during and after your training. It maximizes the benefits of exercise in a limited amount of time.
Polar, Oktos and Sportsinstruments range of product come up to your expectation.
Outdoor ComputersMeasure how your body responds to training and racing and get critical information that can make the difference in your sport.
These Computers will provide very useful information such as : Heart rate, Altimeter, Barometer, Compass on most models... (depending on models)