These are the prices on fitness trackers I'm seeing in Black Friday sales. Garmin, Fitbit, Apple, Pixel, and more make the list.

With the new Grit X2, Polar continues to refine its tools for training, coaching, and performance improvement.

With the latest Grit X2, Polar continues to optimize experiences for training, coaching, and performance improvement.

Sure, they're fun to check—but a cardiologist who owns every major fitness watch explains which numbers are more distracting ...

We consulted with experts and spent hours researching to find the best fitness trackers on the market, including brands like Garmin, Fitbit, and Oura.

So when I began testing the Polar Loop —a new screen-free wearable health and fitness band—I wasn’t all that excited. After ...