26 of 29 people found the following review helpful
Very good monitor but beware size differences between models,
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This review is from: Polar FT7 Women's Heart Rate Monitor and Sports Watch (Sports)
Having tired of borrowing my wife's Black/Silver FT7 and having to re-enter the user information every time we swapped, I decided to buy a Black/Gold FT7. When it arrived we quickly realised that the watch strap on the Black/Gold FT7 is narrower and slightly shorter than the Black/Silver model so we have now swapped as my wife is smaller than me and the Black/Gold is a better fit for her. The F on the end of the precise model number that shows when you order should have been the giveaway (the Black/Silver ends with M). Looking at the Amazon images, I suspect that the Red model is the same size as the Black/Gold and the Black/Red is the same size as the Black/Silver.
Both our monitors came with a M to XXL sized soft strap for your chest. We ordered separately a XS to S sized soft strap via Amazon and this is a better fit for my wife as it fits chest sizes up to around 28 inches, whereas the supplied M to XXL soft strap has a minimum size of about 28 inches.