Chest strap 5Hz (uncoded) | Nautilus
Bowflex chest strap suitable for wireless heart rate measurement on all fitness equipment suitable for wireless heart rate measurement with a range of 5Hz (standard).
Reference: POLAR-GRIT-X
Outdoor multisport watch with GPS and all essential training functions
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Outdoor multisport watch with GPS and all essential training functions
The new Polar Grit X outdoor multisport watch combines a rugged and durable, yet lightweight design, great training features and the capabilities of Polar Flow, the ultimate training platform.
Polar Grit X comes with built-in GPS, compass and altimeter in training mode, and Polar's unique Smart Coaching features to keep you ready for your future adventures.
Style meets strength
If you go further than anyone else, you need tools that won't let you down. Polar Grit X is designed to get you through even the toughest, most epic sessions without clashing with your everyday style.
Military-grade durability
Polar Grit X has passed several MIL-STD-810G tests, including extreme temperatures, drops, and humidity.
Anything but a heavyweight
At only 64 grams, the Polar Grit X is one of the lightest outdoor multisport watches available.
Go on and then back again
The extremely long battery life and multiple energy-saving options ensure that Polar Grit X will not disappoint you even on your longest adventures.
Do whatever moves you
Whether you're on the road or preparing for your future adventures with supportive indoor workouts, Polar Grit X comes with all the essential tools you need to progress and reach your goals.
Learn to replenish your energy
Stay energized throughout your training session with the new FuelWise ™ energy assistant. Discover more
Set higher goals
Hill Splitter ™ detailed uphill and downhill stats tell you how you performed on ascents and descents in your route. Discover more
Raise the bar
Your tour starts long before departure. The automatic recovery measurement and the adapted daily workouts ensure that you are well prepared when you want to conquer the trails.
Stay on track
Plan your route on Komoot and let the turn-by-turn guidance on the watch keep you on track. Discover more
Don't let the elements hold you back
Bad weather does not exist if you are well prepared. Polar Grit X shows the current weather and a two-day forecast.
Discover the ultimate training platform
Polar Grit X goes hand in hand with Polar Flow, the app and web service that keeps all your training, activity and sleep data, plans and progress reports in one place, so you are always at hand when you need them.
Plan and analyze
Create a training plan for an entire season and track your progress with the extensive analysis tools.
Synchronize your data with other services
With Polar Flow you can automatically sync all your training data with other apps, such as Strava or TrainingPeaks.
Hill Splitter ™
Get detailed info about your performance during the uphill and downhill parts of your training session.
Route guidance
Upload your route to your Polar Grit X and stay on track with real-time guidance.
Advanced heart rate measurement on the wrist
Polar Grit X tracks your heart rate with Precision Prime ™ sensor fusion technology. *
FitSpark ™ training guidance
The Polar Grit X and the FitSpark training guide keep you prepared when you want to hit the trails with ready-made daily workouts that fit your recovery, fitness and training history.
Sport profiles
Polar Grit X supports more than 130 sports. Add your favorite sports to your sports watch in Polar Flow.
Swimming data
Polar Grit X automatically detects your heart rate, swimming style, distance, pace, number of strokes and rest times. Distance and strokes are also tracked when you swim in open water.
Smartphone notifications
Stay connected with notifications from your smartphone. Receive notifications for incoming calls, text messages, emails, calendar appointments and more.
FuelWise ™ smart energy assistant
During your long sessions, learn to refuel and maintain your optimal energy level.
Hill Splitter ™
Get detailed info about your performance during the uphill and downhill parts of your training session.
Route guidance
Upload your route to your Polar Grit X and stay on track with real-time guidance.
Advanced heart rate measurement on the wrist
Polar Grit X tracks your heart rate with Precision Prime ™ sensor fusion technology. *
FitSpark ™ training guidance
The Polar Grit X and the FitSpark training guide keep you prepared when you want to hit the trails with ready-made daily workouts that fit your recovery, fitness and training history.
Sport profiles
Polar Grit X supports more than 130 sports. Add your favorite sports to your sports watch in Polar Flow.
Swimming data
Polar Grit X automatically detects your heart rate, swimming style, distance, pace, number of strokes and rest times. Distance and strokes are also tracked when you swim in open water.
Smartphone notifications
Stay connected with notifications from your smartphone. Receive notifications for incoming calls, text messages, emails, calendar appointments and more.
FuelWise ™ smart energy assistant
During your long sessions, learn to refuel and maintain your optimal energy level.
Route planning with Komoot
Plan your route on Komoot, import it to your Polar Grit X and navigate with the turn-by-turn guidance.
Weather
View current weather information and a two-day forecast directly on your watch.
Nightly Recharge ™
See how well you recover from your day during the night.
Running power
Gain insight into the intensity of your running sessions.
Energy sources
Watch how your body uses different energy sources during a training session. Polar Grit X divides your energy expenditure into carbohydrates, proteins and fats.
Strava Live segments
Your runs and bike rides are even more fun with Strava Live segments. Receive alerts when you approach a segment, view real-time performance data during a segment and check your results afterwards.
Training Load Pro
Measure the load of your training session and see how your training loads different parts of your body.
Running Program
Receive a personal and adaptable training program, tailored to you and your goals.
Training effect
Receive motivational feedback on the effect of your training session immediately afterwards.
Sleep Plus Stages ™
Track your sleep stages and gain insight into the quality of your sleep.
Fitness Test
Test your fitness level without sweating in just 5 minutes.
Running Index
Get an estimate of your VO2max while running and see how your running performance is developing.
Smart Calories
Know exactly how many calories you burned during a training session based on your weight, height, age, gender, your personal maximum heart rate (HRmax) and how hard you train.
Continuous heart rate measurement
Get a comprehensive picture of how your heart behaves during the day. Continuous heart rate measurement provides even more accurate data on calorie consumption and activity, and shows the lowest and highest heart rate during your day.
Serene ™ breathing exercise
Relax your body and calm your mind with the guided breathing exercise.
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