Better sleep. Smarter recovery. More movement - without the noise.
POLAR Loop is a screen-free, subscription-free wearable fitness band designed to help you build better habits and improve your well-being effortlessly.
With 24/7 tracking of heart rate, sleep, and daily activity, POLAR Loop delivers meaningful insights to help you enhance your well-being, fitness, and daily performance - without distractions or data overload. Wear it all day, let it quietly track in the background, and check your progress when it suits you. No screens. No interruptions. No monthly fees.
Lightweight and comfortable, Loop wraps seamlessly around your wrist, blending into your routine and keeping you connected to your health - without ever getting in the way.
Feels like nothing. Tells you everything.
Build better habits with automatic tracking of your days and quiet tracking of your nights — so small actions can become something bigger, maybe even life-changing.
Health on your terms.
Your health should be simple - not another thing to manage. Wear POLAR Loop and live your life. No subscriptions. No interruptions. Just clarity, when you want it. That’s freedom.
Subscription-Free
No monthly fees. No locked features. Full access to every feature from day one. No locked insights, no monthly fees — just a one-time payment. Pay once. Own it.
Zero Distractions
Imagine a day with no annoying notifications. No buzzing. No beeping. No screen lighting up your wrist. POLAR Loop is built to stay quiet, so you can stay focused.
Automatic Tracking
Never think of starting or stopping again. POLAR Loop tracks sleep, steps, activity, and training automatically — no buttons, no apps, no need to remember a thing.
8-Day Battery
No daily charging. No extra stress. With up to 8 days on a single charge and 4 weeks of onboard memory, POLAR Loop keeps going even when you forget it’s there.
Just 29gFeather-Light Small enough to wear all day and night - without the bulk, bounce, or bother.
Skin-Friendly FabricInvisible Feel A soft, flexible band that moves with you - no rubbing, no slipping, no irritation.
Silent Sleep TrackingMade to Sleep In No lights. No screen. Just something you can wear in bed - and sleep with.
Features - Training & Performance
Training Load Pro™
When you train, the different systems of your body become strained. Training Load Pro™ monitors this strain to provide you with detailed insights.
Training Load Pro™ gives you values for the load placed on both your cardiovascular and musculoskeletal system (Cardio Load and Muscle Load) after every session, and with Perceived Load you can rate how strained you feel - allowing you to see the immediate strain on your body, and monitor training induced strain over the long-term.
Energy Sources
See how much of each energy source your body uses during training, broken down into fats, carbohydrates, and proteins for each session - illustrated as percentages of your total calorie consumption at the end of your session.
Seeing how much of each energy source you used during your session allows you to learn how different intensities affect your energy usage. You can also spot how the main energy source can change during a long session.
Training Recording via Flow App
With the POLAR Flow app, you can manually start a training session for any sport, use your phone’s GPS to track your route, and view all training data and metrics inside the app itself.
Automatic Training Detection
Automatic Training Detection allows your POLAR product to automatically detect and record training sessions without requiring you to manually start recording via the Flow app.
When enabled, your device begins recording once it detects elevated heart rate and activity levels. The data is then automatically synced to the Flow app when your phone is within Bluetooth range. This feature ensures your training is tracked even if you forget to start it manually—and you don’t need to carry your phone during the session. You can focus fully on your training while your device handles the tracking in the background.
Fitness Test
VO2max is a key figure to illustrate your aerobic fitness - in other words, the better your aerobic fitness, the stronger and more efficient your heart is.
Fitness Test is a simple 5-minute fitness level assessment that can be performed lying down to estimate your VO2max without needing any other equipment. The automatic calculation takes into account your resting heart rate, heart rate variability, and your personal metrics: gender, age, height, weight, and training background.
Features - Activity & Health
24/7 Activity Tracking
Our bodies are designed to move, so staying active is essential for your overall health and well-being.
Polar watches promote active lifestyles by giving you a daily activity goal based on your personal data and activity level setting, then automatically tracking your activity throughout the day. If you’ve been inactive for too long, you’ll get a friendly reminder to get up and move. Your daily activity goal is shown as a circle that gradually fills until you reach your goal - get 100%.
Step Count
Counting your steps is a good way to see if you’re doing enough to maintain your overall health. The more steps you take per day, the closer you’ll be to your fitness goals, paving the way to better health.
Going for a walk is an easy way to clock up some steps, but you take a lot of steps every day just by doing everyday things. With a 3D digital acceleration sensor, Polar Watches will measure every move and update your step count as you go.
Inactivity Alert
Inactivity Alert helps you avoid the negative effects of sitting still for too long. Polar products track your movement throughout the day, and when you remain inactive for a prolonged period, the device gently reminds you to get up and move (screen-based products) or the Polar Flow app gives the same notification if it has a Bluetooth connection to your device.
Activity Goal
Activity Goal is a personal daily target for movement and active time, designed around your personal details (such as age, weight, height, and gender) and the activity level you select in the Polar Flow app or web service.
Activity Benefit
Activity Benefit tracks all your active choices during the day and helps you understand the short and long-term effects of your activity and habits on your health and fitness.
With Activity Benefit, you’ll get motivating daily, weekly, and monthly feedback to guide you towards changing your behavior for better health.
The more you move, the greater the health benefits.
Smart Calories
Calculates the number of calories burned based on your individual data: your weight, height, age, gender, HRmax, HRrest, VO2max, and the intensity of your training/activity.
Heart rate-based calorie calculation is used when heart rate is measured, and it measures burned calories the most accurately also in conditions like cycling or lifting weights. Activity-based calorie calculation is used in training computers and activity trackers, when heart rate is not available. You can see the cumulative energy expenditure (in kilocalories, kcal) during exercise and total kilocalories of the session after exercise. You can also follow your total daily calories.
Continuous Heart Rate
Follow your heart rate around the clock with Polar’s continuous wrist-based heart rate solution – an intelligent, dynamic function that works with the 24/7 Activity Tracking feature to provide a more comprehensive measurement for activity intensity.
Your watch will check your heart rate at regular short intervals, and if it detects that your heart rate is elevated, it will start recording automatically.
It factors in a variety of activity intensities, even ones with minimal arm movement, such as cycling, so that they can be counted towards your daily activity goal and calorie burn more accurately.
Features - Sleep & Recovery
Nightly Recharge™
Nightly Recharge™ is an automatic overnight recovery measurement that shows you how well you recover from the demands of your day. It helps you make the optimal choices in your everyday life to maintain overall well-being and reach your training or fitness goals.
Your Nightly Recharge™ status is based on two components: how you slept (Sleep Charge), and how well your autonomic nervous system calmed down during the early hours of your sleep (ANS Charge).
SleepWise™
Learn how your sleep behavior affects your day’s energy and alertness levels.
With SleepWise™, you get daytime alertness insights that help you perfect a bedtime routine so you can face your daily challenges sharp and ready.
By factoring in your sleep amount, quality, and your body’s internal circadian rhythm, SleepWise™ lets you know how the effects of sleep accumulate over time, making the impact of sleep debt and irregular sleep-wake rhythm visible.
Sleep Plus Stages™
Getting enough good-quality sleep is vital for your health and well-being. When you sleep, your body cycles through three sleep stages: light, deep, and REM.
Sleep Plus Stages™ automatically tracks the amount and quality of your sleep (Sleep Score), and lets you know how long you spent in each stage during the night.
Sleep tracking can help you understand your sleep behavior over the long-term, and also identify the factors in your day that may have a negative impact on your sleep.
Features - Connectivity & Hardware
Polar Flow
Tech specs
Dimensions
Width:27 mm
Height:42 mm
Thickness:9 mm
Weight
Total weight:29 g
Total weight without wristband:19.5 g
Performance
CPU speed:64 MHz
Memory:1.3 MB
Storage:16 MB
Materials
Case material:Stainless steel
Bezel material:Stainless steel
Connectivity
Bluetooth technology:Bluetooth® LE
USB cable:Proprietary / USB-C
Broadcast range:50 m
Durability
Operation temperature min:-20 °C
Operation temperature max:50 °C
Water resistance:WR30
Sensors
Precision Prime™:Yes
OHR:GEN 3.5
Accelerometer:Yes
Battery
Battery capacity:170 mAh
Battery type:Li-Pol
Battery rechargeable:Yes
Smartwatch mode:8 d
Misc
Updateable firmware:Yes
What's included?
POLAR Loop
POLAR Loop SoftWeave Band
Polar Charge 2.0
POLAR Loop | The Screen-Free, Subscription-Free Wearable 24/7 Health Band
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