Polar

Polar's RS100 will help you reach that elusive personal best. View your heart rate as a percentage of maximum heart rate or in beats per minute. You can keep your training effective with pre-set target zones with alarms and review your lap info and calorie expenditure. You'll love the T-31 coded transmitter belt that blocks interference from other monitors, so the only results you'll see are your own! And, with the Easy start setting wizard, you'll be crushing the competition in no time!