The Grit X2 might not be a headline-grabbing, innovative leap forward, but it’s a shrewd release that fills a gap in the Polar lineup. By distilling the core, high-end features of the X2 Pro—like the ...
Following Garmin's subscription-based plan lead, Polar has announced an optional paid "Fitness Program" for its Polar Flow app, offering adaptive, science-backed training plans for roughly $11/month.
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