The RS800 is Polar's running computer for elite athletes.  If you are looking to improve your performance by having access to highly accurate training data, this is for you.  The optional S3 stride sensor that comes with the RS800SD (also sold separately) gives you speed and distance data as well. Polar Exercise Features    * Wireless ECG accurate heart rate    * Polar sport zones    * Polar OwnZone and OwnCal    * Polar Fitness Test with OwnIndex    * Polar OwnCode (2.4 GHz) W.I.N.D.    * Polar OwnOptimizer    * HR-based target zones with visible and audible alarm    * HR-max based on fitness test or age-based    * Interval timers    * Maximum and average heart rate of total exercise    * Maximum and average heart rate per lap    * Records up to 99 laps    * Altitude and ascent    * Interval trainer (HR, pace, and distance) guided workouts    * ZonePointer and ZoneLock Running Features (with S3 stride sensor)    * Speed/pace and distance    * Running Index    * Running Cadence and Average Stride Length    * Shoe Selection    * Target pace and pace difference with alarms    * Trip odometer    * Run Distance    * Running route elevation profile    * Time and distance-based interval timer    * Total mileage, kilocalories, and time training    * Distance summaries    * Speed/pace summaries, target zones, and lock

The S625X from Polar is a complete heart rate monitor and cycling and running training tool.  It gives you easy access to data for altitude and ascent in addition to running speed and distance.  The optional cycling and power sensors (sold separately) turn the S625X into a fully-featured cycling computer as well. Polar Exercise Features    * Wireless ECG accurate heart rate    * Keeps 5 exercise set profiles    * Polar OwnCode and OwnCal    * Polar OwnOptimizer    * Polar Fitness Test    * 3 Target Zones with visual and audible alarms    * HR Max based on Polar fitness test    * Interval Timers    * Average and Maximum heart rate of total exercise    * Average and Maximum heart rate per lap    * Automatic lap recording    * Altitude and ascent Running Computer Features    * Speed and distance    * Speed displayed in pace or km/h or mph    * Distance based on interval trainer Bike Computer Features (with bike sensors, sold separately)    * Trip    * Speed average and max    * Distance based intervals    * Distance based recovery measurement    * Wheel size for two bicycles    * Bike mount    * Speed sensor    * Cadence sensor    * Power Output Sensor

The RS400 is designed with the endurance athelete in mind.  It is a great training tool for those who are looking for a way to improve their performance by planning, monitoring, and analyzing their training data.  The RS400SD combines the optional S1 foot pod (also sold separately) to give you accurate speed and distance data. Polar Exercise Features    * Wireless ECG Accurate Heart Rate    * Polar Sport Zones    * Polar OwnZone & OwnCal    * Polar Fitness Test with OwnIndex    * Polar OwnCode (5 kHz)    * Polar OwnOptimizer    * 3 HR-based target zones with visible and audible alarm    * HR-max from either Polar Fitness Test or Age-based    * Interval Timers    * Average and maximum heart rate of total exercise    * Minimum heart rate of exercise    * Average & maximum heart rate of lap    * Records up to 99 laps    * Interval Trainer (HR, pace, distance) guided workouts    * ZonePointer    * ZoneLock Polar Running Features (with S1 foot pod)    * Speed/pace and distance    * Running Index    * Shoe Selection    * Target Pace and pace difference    * Target pace alarms    * Trip Odometer    * Run Distance    * Time- and Distance-based interval timer    * Total mileage, kilocalories, and time training    * Distance summaries    * Speed/Pace summaries    * Speed/pace target zones    * Speed/Pace lock

The AXN300 is Polar's entry-level mountain heart-rate monitor.  It will keep track of your runs or your ascents with the Slope counter.  You can check your pace with the Vertical Speed feature.  It features a built-in barometer so you can track the weather as it changes.  The OwnIndex lets you track your fitness level over time.  It also has Polar's OwnCal feature so you can track your calorie expenditure and know when you need to stop and refuel. Polar Exercise Features    * Wireless ECG accurate heart rate    * Polar OwnCal        * Polar Fitness Test    * Polar OwnCode    * 1 set of limit target zones with visible and audible alarm    * Independent CountDown/CountUp timer    * Average and maximum heart rate of total exercise    * Altitude and Ascent Altimeter Features    * Altitude with graphical trend    * Vertical Speed (ascent and descent) average and max    * Slope Counter    * Cumulative ascent and descent Barometer Features    * Sea level pressure with graphical trend    * Absolute barometric pressure    * Temperature

The RS200SD with the S1 foot pod is the perfect tool for serious runners.  It is made to help you reach your fitness goals and help manage your training.  You can upload your workout data onto your computer and transfer your files to the Polar Running Coach Web Service to get them analyzed!  Comes with the WearLink fabric transmitter.  The S1 foot pod gives you access to accurate speed and distance data.  The Event Countdown timer manages your training leading up to your next running event. Polar Exercise Features     * Wireless ECG heart rate    * Polar OwnZone, OwnCal, and OwnCode    * Polar FitnessTest with OwnIndex    * Three target zones with visible and audible alarms    * HR-max according to Polar Fitness Test or Age-Based    * Interval Timers    * Average and maximum heart rate of total exercise    * Average and maximum heart rate per lap    * Optional lap recording up to 99 laps    * Interval trainer (HR, pace, distance) guided workouts    * ZonePointer and ZoneLock Running Features    * Speed/Pace and Distance    * Target pace, pace difference, and alarms    * Trip Odometer    * Run distance    * Time- and distance-based interval timer    * Total mileage, kilocalories, and time training    * Distance summaries    * Speed/pace summaries and target zones

The F55 Fitness heart rate monitor from Polar is a complete personal trainer to help you take your fitness to the next level.  It has two innovative new features: Body Workout, a muscular strength-training guide that can be adjusted as you progress and provides guidance for new training.  The new OwnRelax checks your body's state of relaxation and helps you listen to what your body is telling you during workouts. Polar Exercise Features    * Wireless ECG accurate heart rate    * Polar OwnZone and OwnCal    * Polar Fitness Test with OwnIndex    * Polar OwnCode    * Polar Keeps U Fit - Own Workout program    * Polar OwnRelax    * Polar Body Workout    * Target zones with visible alarm    * HR-based target zones with audible alarm    * Fitness bullets for every 10 minutes in target zone    * Average heart rate of total exercise    * ZonePointer

A cycling computer and fitness monitor in one compact device. Use it to get valuable feedback on your performance, on or off the bike. The cyclecomputer portion offers a wireless speed pickup for easy mounting. Kit includes wrist unit, chest strap, and wireless speed pickup and magnet - everything you need to get started for on-bike trainingHEART MONITOR FEATURESwireless, accurate heart ratecalorie expenditure and fitness test modesheart-rate based target zones with visual and audible alarmsmax and average heart rate featurebacklightKeylock featureCYCLE COMPUTER FEATURESTrip distance and total distance odometerAverage, current, and max speedETA featureestimated calorie consumptionAuto start-stopThis unit can be used with the Polar PC desktop training software and web service by connecting via SonicLink. The components/software to do so are sold seperately from this item.

The F11 breaks the mold of heart rate monitors.  Not only does it keep track of all the exercise data you need, but it actually creates a customized workout program to help you reach your fitness goals.  Polar's OwnIndex determines your current fitness level, tracks your progress, and gives you extra motivation in the gym.  The F11 also has a coded transmitter so you don't have to worry about interference from other heart rate monitors in the gym or in fitness classes. Polar Exercise Features    * Wireless ECG accurate heart rate    * Polar OwnZone, OwnCal, and OwnCode    * Fitness Test    * Keeps You Fit Workout Program    * Target Zones with visible and audible alarm    * Maximum & Average heart rate of total exercise Recording Features    * Keeps 12 exercise files (with summaries)    * Exercise info page with date and time    * Total Exercise time    * Time in target zone    * Target zone limits    * Average heart rate of total exercise    * Last OwnIndex    * Calorie expenditure (exercise week/total/fat %)    * Fitness exercise diary with personal targets

The RS200 is a great running computer for runners who want to step up their training a bit.  It is made to help you reach your fitness goals and help manage your training.  You can upload your workout data onto your computer and transfer your files to the Polar Running Coach Web Service to get them analyzed!  Comes with the WearLink fabric transmitter.  You can add the optional Polar Foot Pod to take advantage of the speed and distance functionality. Polar Exercise Features    * Wireless ECG heart rate    * Polar OwnZone, OwnCal, and OwnCode    * Polar FitnessTest with OwnIndex    * Three target zones with visible and audible alarms    * HR-max according to Polar Fitness Test or Age-Based    * Interval Timers    * Average and maximum heart rate of total exercise    * Average and maximum heart rate per lap    * Optional lap recording up to 50 laps    * Interval trainer (HR, pace, distance) guided workouts    * ZonePointer and ZoneLock

The F6 is the perfect heart rate monitor for people who frequent group exercise classes and the gym because its coded transmission means you won't get interference from nearby heart rate monitors.  It includes all the features of the Polar F4 model in addition to Polar OwnZone, which automatially configures your personal heart rate target zones, and OwnCal to track the calories you burn during a workout. Polar Exercise Features    * Wireless ECG with accurate heart rate    * Polar OwnZone, OwnCal, and OwnCode    * Target zones with visible and audible alarm    * Zone Pointer    * Fitness Bullets for every ten minutes in exercise zone    * Average and Max heart rate of total exercise    * Exercise date Recording Features    * Keeps 12 Exercise files (with summaries)    * Exercise info page with date and time    * Total exercise time    * Time in target zone    * Target zone limits    * Average heart rate of total exercise    * Calorie expenditure    * Fitness exercise diary

The RS100 is a great training tool for running.  It has all the heart rate features you want along with a stopwatch so you can track your average heart rate and time each lap. Polar Exercise Features    * Wireless ECG heart rate    * Polar OwnZone, OwnCal, and OwnCode    * Target zones with visible and audible alarm    * HR-max based on age    * Average and maximum heart rate of total exercise    * Average heart rate per lap    * Records up to 99 laps    * Alternating / repeating countdown timers

Sigma Sport Onyx Fit HRM includes memory for up to 7 training sessions, helping you keep track of your progress. Includes memory for up to 7 training sessions All feature user-replaceable batteries in chest strap and watch unit Chest strap and handlebar mount included with all models 5-year warranty on all models Digitally coded signal to prevent crosstalk