Polar Grit X Black

Size (UK):

Last 2 in stock


Polar Grit X is an outdoor multisport watch for anyone who prefers the trails over the roads. The rugged yet lightweight design, ultra-long battery life and military-sta...

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Polar Grit X is an outdoor multisport watch for anyone who prefers the trails over the roads. The rugged yet lightweight design, ultra-long battery life and military-standard durability make sure Polar Grit X won't let you down even during your toughest adventures. Import new routes from Komoot and let real-time route guidance keep you on the right path, while the new smart fueling assistant helps you maintain your energy levels and Hill Splitter™ gives you detailed uphill and downhill stats. Polar Grit X helps you optimize your performance by monitoring your training load and nightly recovery and offers you ready-made workouts that take into account your recovery and readiness. Plan and analyse every detail of your training with Polar Flow, the ultimate online training platform.

Polar Grit X is an uncompromising combination of rugged and durable design, top training features and the possibilities of Polar Flow, the ultimate training platform.

Polar Grit X takes you through even the toughest and most epic sessions with the help of the smart fueling assistant, the ultra-long battery life and the automatic nightly recovery tracking.

Polar Grit X gives you at least 40 hours of continuous training time with only 64 grams of MIL-STD-810G quality. The multiple power save options bring you even up to 100 hours.

The FitSpark™ daily training guide helps you become stronger and perform better in your pursuit to conquer the trails and gain that elevation.

The real-time route guidance and route import from Komoot keep you on the right track and help you explore new areas safely.

Hill Splitter™ climb and slope analyser/tracker
FuelWise™ smart fueling assistant
FitSpark™ training guide
Nightly Recharge™ recovery measurement
Training Load Pro™ training load tracking
Sleep Plus Stages™ sleep tracking
Weather (current & forecast)
Route guidance and import from Komoot
Ultra-long battery life with multiple power save options
Polar Precision Prime™ advanced wrist-based heart rate

Polar Grit X takes your outdoor training to new highs.

Polar Grit X makes sure you're well prepared when you take off and keeps you going all the way to the finish line on your longest, most epic adventures.

Polar Grit X gives you hours of continuous training without any compromises on weight, durability or design.


At RunningShoes we aim to get you your purchase as quick and efficiently as possible, which is why we have teamed up with Royal Mail to ship you your goods.


FREE Spend over £50 

£4.99 UK Mainland* (Estimate 3 working days)

£5.99 Guernsey, Isle of Man, Jersey

£9.99 Ireland

£14.99 EU - Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden


The delivery times shown apply to items we currently have in stock. If we don't currently have your item in stock, we will aim to contact you within 24 hours of the order being placed and update you on the ETA of the product or offer an alternative. At this point you will be given the option to also cancel the order should you wish. 

*delivery options outlined above apply to orders sent to the mainland UK, Northern Ireland, Jersey and Guernsey, Isle of Man, Isle of Wight, Scottish Islands and Highlands, Shetlands, Orkney Islands, Sark, Herm and BFPO addresses, all up to a weight of 2kg.

Read the full delivery policy


RunningShoes understand that sometimes you'll need to return items to us and we've made this easy, fast and simple.

We hope that you love your purchase, however if it doesn’t fit, you’ve had a change of heart, if it’s faulty or perhaps you just aren’t feeling it; do not worry, we believe returns should be part of the normal process of simple e-commerce.

We'll exchange or refund all items which:

  • Are returned to us within 28 days of receipt.

  • Are returned to us in perfect condition, in their original packaging and with the labels attached.

  • For health and hygiene reasons, we are unable to accept the return of any item that has been worn, in particular underwear and socks.

Your statutory rights are not affected by any of the above conditions.

Read the full return policy

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