In Brief

Athletes and chronic heart patients will benefit from this comfortable wireless technology.

Heart rate monitors aren’t the most comfortable piece of equipment to wear for extended periods of time – which is why the Japanese telecom giant NTT has developed an undershirt without any obtrusive wires.

The shirt was announced earlier this year and made an appearance at a recent medical tech trade show in Tokyo.

In order to create an undershirt capable of measuring heart rate – NTT researchers had to experiment by coating silk and synthetic fiber surfaces with PEDOT-PSS conductive polymer.

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