At one point, I even threaded a Whoop strap through the Polar Loop device so that I could wear both devices on the same ...
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The 8-day Polar Loop tracker challenges Whoop and Garmin with subscription-free workout data
Polar has announced the new Loop, a 24/7 screen-free wristband that tracks workouts, health, and sleep. It offers similar training insights to the more expensive Polar Vantage series like training ...
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