Sports brand Puma has unveiled its Puma Fi trainers, which have laces that can be tightened at the swipe of a finger.
Where users would expect to find laces on their trainers, the Puma Fi shoe instead features a raised block that houses a micro-motor used to power a cable system embedded in the shoe.
Aptly named Fit Intelligence (Fi), this technology enables users to tighten and loosen their sneakers, as ordinary laces would, but via a control panel integrated on top of the Fi module. Wearers simply swipe upwards to tighten the shoe or downwards to loosen it.

The trainers feature a black mesh upper body, with Puma's signature stripe in silver emblazoned across the side.
The Fi platform, contained within a raised block, has been built into the tongue of the shoe, with the integrated self-lacing system visible as four bright blue cords threaded out of each side.
Tailored to workouts and light running, the training shoe also boasts a series of integrated smart sensors that are able to learn the shape of each user's foot, and adapt the fit of the shoe to the individual.
Athletes can monitor and adjust the fit of their sneakers via a smartphone app, even while on-the-go, making adjustments via their Apple watch or smart device when still in motion.

"We have created a product that speaks to the future of sport which is life in motion," said Puma global director of innovation, Charles Johnson. "It's fast and changing all the time."

"The technology w...