Reebok has announced the launch of PureMove, a sports bra that adapts to the movement of its wearer in real time. This means that when the wearer is moving quickly, the bra material stiffens to provide extra support, while when the movement is slower and requires more flexibility, the material softens.
The US-based sportswear brand took four years to develop the innovation, adapting it from a material that has been previously used in NASA spacesuits and bulletproof vests.
“Innovation has always been in Reebok’s DNA and placing an emphasis on transforming and improving one of the most important fitness garments for women is no exception,” said Barbara Ebersberger, VP of performance apparel at Reebok. “We could not be prouder to come to market with a product that breaks down barriers in a category that has dissatisfied consumers for far too long, lacking any true technological advancements.”
To achieve the innovation, Reebok developed the Motion Sense Technology by combining performance-based fabric with a sheer-thickening fluid (or STF), which is a gel-like solution. Originally developed by the University of Delaware in 2005, STF takes liquid when in a slow-moving state and stiffens it into a solid when moving at high speed.
By incorporating STF into the fabric, the PureMove bra immediately responds to changes in movement by the wearer.
Reebok also worked with the University of Delaware to undertake vigorous testing on the new material, employing 54 different motion sensors to test bra prototypes. By comparison, the brand says typical testing only uses five sensors.
It furthermore cites a study that was published in the Journal of Physical Activity and Health Journal as a key influence when developing the bra, which outlines that one in five women actively opt out of workouts because they don’t have a sports bra that is comfortable enough.
Reebok’s innovation places the brand in the race for developing material innovation that is increasingly adaptive to the wearer’s immediate needs, which is particularly relevant to the sporting industry. Similarly, earlier this year Puma worked with MIT to showcase how biodesign could increase performance, presenting prototypes such as insoles that collate realtime biofeedback to measure things like fatigue.
For more on material innovation in fashion, listen to our TheCurrent Innovators episode with Dan Widmaier, CEO of Bolt Threads, the company responsible for sustainable textiles such as spider silk and, most recently, mushroom leather.
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