“What is the size of the HRM strap does it come with? There are 2 sizes on the polar site, xsmall/small(20-30 inches) and medium/Xlarge(30-40inches)”

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• The M400 (along with all other product from Polar packaged with a HR sensor and chest strap) are sold with the M-XXL size. The XS-S size is available as an accessory to purchase - Mike@PolarUSA

  Answered by Polar Product Team 9 years ago

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