A range of smart sportswear equipped with motion sensors has been launched by a unit of major synthetic fibers maker Teijin Ltd. on a trial basis, enabling wearers to improve golf skills by checking their swing posture using an app.

A line of multifunctional clothing under the "Matous" brand by Teijin Frontier Co., including shirts, trousers and tights, monitors movements of the neck, shoulders, arms and ankles as well as vital signs for viewing on a personal computer or tablet device.

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The clothing deploys an algorithm that can visualize the difference between the actual motion of the wearer and their ideal motion, helping users improve their sporting skills.

The company eventually aims to apply the visual data in providing support for the transfer of skilled workers' know-how and for those undergoing physical rehabilitation.

With the test-launch in mid-January of the brand, which incorporates the Japanese word "matou" meaning "wear," Teijin aims to achieve annual sales of 30 billion yen ($272 million) in fiscal 2025 by using the clothing for such purposes as preventing heat stroke at construction sites. Teijin has yet to disclose the price.

The fibers maker based in Osaka jointly developed Matous with Sports Sensing Co., a Fukuoka-based startup selling devices to measure the physical movements of athletes.

Teijin plans to sell the newly developed sportswear to golf schools and baseball teams to give athletes real-time feedback on their training performance.

Toyobo Co. is also developing sports training wear that can detect wearers' heart rate and muscle movements, with the aim of selling it under the brand of sports goods makers.

For the development of the training wear, the company has solicited opinions from runners of Tokai University, which won the annual Tokyo-Hakone collegiate ekiden road relay for the first time in January.