One-minute reviewThe Polar Grit X2 Pro is the brand’s attempt to introduce an outdoor sports watch that can compete with both long-term rivals and those brands that are new to the space.The Grit X Pro was launched two and half years ago, and while it offered improvements on Polar’s first Grit watch, it was still lacking some big features to compete with the best running watches out there.Prime Day deals are here – shop our expert picksThat changes with
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