The Grit X is the latest wearable from Polar, it’s a rugged and durable device certified with MIL-STD-810G that ensures it can withstand harsher temperature, humidity, and drop. Just like the Vantage series and Ignite, the Grit X is fitness-focused and even more equipped to track your active life comprehensively with additional activity tracking features like Hill Splitter, FuelWise, and a handful of other new features.

Polar Grit X Full Specifications

Polar Grit X Features

1. Design – Sturdily Built

The Grit X has a sophisticated design and it does look very stylish as well. It has a stainless steel case with reinforced glass fiber polymer for the back, yet quite lightweight at 64g. While the screen is protected with Corning Gorilla Glass(unverified version) and the finely crafted bezel makes it charming. The 1.2 inch MIP LCD touch display is always-on with anti-fingerprint coating and it’s s quite slim at 13mm. Straps are available in silicone which is soft and comfortable to wear all day long.

2. 1 Week Long Battery Life

The battery life of the Grit X is very impressive, you get about 40hrs long battery life with continuous GPS and heart rate tracking, while on normal mixed usage, it keeps you going for about 7 days.

3. A Comprehensive Activity Tracker

Just as mentioned earlier, the Grit X is fitness-focused and well equipped to track your active life comprehensively. It comes with an inbuilt GPS, altimeter, heart rate sensor, and accelerometer which enables it to track your heart rate, sleep stages, swimming activities, fitness level, calories, and more. Grit X will also give you information about the weather so you can plan well. Moreover, it features some new features such as turn-by-turn navigation, Hill Splitter that gives you performance data on your uphill and downhill activities, and FuelWise that gives recommendations to help you refuel better.

Below are some of the activity tracking features of the Grit X,

Activity Tracking Features	Grit X
Swimming Metrics Polar Grit X automatically detects your heart rate, swimming style, distance, pace, strokes and rest times. Distance and strokes get tracked also in open water swimming.	Yes
Fitness Level Test Test your fitness level easily in just 5 minutes without breaking a sweat. Learn more	Yes
Breathing Session For Stress Management Relax your body and calm down your mind with the help of a guided breathing exercise	Yes
Complete Sleep Monitoring Tracks your complete sleep cycle including stages and time spent in each.	Yes
Training Benefits Get motivating feedback immediately after training describing the effect of the session. Learn more	Yes
Weather Update Check current weather info and a 2-day forecast straight on your watch	Yes
Continuous Heart Rate Tracking Tracks your heart rate continuously to give you a comprehensive view of how your heart behaves during the day as well as calories.	Yes
Track Calories Know exactly how many calories you’ve burned based on your weight, height, age, gender, your individual maximum heart rate (HRmax) and how hard you’re training.	Yes
Running Program Get a personal and adaptive training plan that fits you and your goals. Learn more	Yes
Route Planning With Komoot Plan your route on Komoot, import it to your Polar Grit X and let the turn-by-turn guidance take care of navigation for you.	Yes
Route Guidance Upload your route to your Polar Grit X and stay on the right path with real-time guidance.	Yes
Running Index Get an estimate of your running VO2max and see how your running performance is developing.	Yes
Training Load Pro Quantify the strain of your training session and see how your training strains the different parts of your body.	Yes
Hill Splitter Get detailed data about your performance on the uphill and downhill sections of your session	Yes
FuelWise Learn to refuel and maintain adequate energy levels during your long training sessions.	Yes
FitSpark Training Guide Polar Grit X and the FitSpark™ training guide make sure you’re prepared for your pursuit to conquer the trails with ready-made daily workouts that match your recovery, readiness, and training history. Learn more	Yes
Energy Sources See how your body uses different energy sources during a training session. Polar Grit X divides your energy usage into carbs, proteins and fats.	Yes
Running Power Get more comprehensive insight into the intensity of your running sessions. Learn more	Yes
Recovery Pro See how recovered your body is and get recovery feedback. Learn more	No
Strava Live Segments Make your runs and rides more exciting with Strava Live Segments. Get alerts about nearby segments, see real-time performance data during a segment and check your results right after you finish.	Yes
Multisport Training It allows you to do multiple sports in one training session and seamlessly switch between sports without interrupting the recording of your training.	Yes
Inbuilt GPS/QZSS/GLONASS/A-GPS/GALILEO Built-in GPS provides accurate speed and distance measurement for a range of outdoor sports, and allows you to see your route on the map in the Polar Flow app and web service after your session.	Yes

4. Notifications

Although Grit X lacks Wi-Fi, it’s equipped with Bluetooth that enables notification features. It’s able to notify you when there’s a new message on your phone so you don’t miss important updates.

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Polar Grit X Review