Polar has long been a trusted name in the fitness world, known for its accurate heart rate monitors, its best running watches ...

The Apple Watch Ultra 2 is the biggest, toughest, most endurance-friendly watch in Apple’s line-up. Built for bigger ...

My experience wearing the Whoop 4.0 alongside Apple, Garmin and Polar watches, plus dozens of heart rate monitors ...

The Grit X2 Pro and Vantage V3 just got smarter with better navigation, extended battery life, and new personalisation features ...

Average heart rate overall and calories burned were the ... In comparison to similarly-priced Garmin and Polar watches, this offers excellent value. For runners like me who love data, the Coros ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Find out more about how we test. The Grit X2 Pro Titan is a top-end fitness watch from Polar, a Finnish company that has been a key developer of heart rate sensor hardware for decades. Polar truly ...

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In short, the answer is the polar vortex. But what does that mean? The polar vortex is a “constant feature” that begins to develop sometime in September and persist through sometime in spring ...

It's about to get very, very cold for lots of Americans. A series of blasts of polar vortex air from the north will bring subfreezing temperatures as well as ice and snowstorms to 40 US states ...