Hexoskin, a Montreal-based maker of shirts that capture biometric information about people, said this week that its products were to become available on the Canadian website of Best Buy Co. Inc. as of Friday. The company said in a press release that its shirts are of value to athletes for tracking their bodies during exercise, daily activities and sleeping, as well as for astronauts and those doing scientific research. It said it tracks information such as heart rate, breathing and acceleration, and works with applications that are free downloads for Apple Inc. devices and those running on...