Puma teased its self-lacing “Fi” sports shoe at the start of 2019, with a launch date targeted for spring 2020.

Between now and then, it’s working on tweaking the final design of the $330 footwear, and you can get involved.

The sportswear company is looking for volunteers to try out the shoes and offer feedback over the coming months so that it can build the best possible sneaker before it hits the market.

To have a chance of taking part, you need to be aged 18 or over and live in one of the following countries: U.S., U.K., Germany, Spain, Denmark, Sweden, Norway, Turkey, Japan, Hong Kong, and India.

You can sign up on Puma’s website or through its Pumatrac app available for both Android and iOS.

Short for “Fit Intelligence,” the current version of the Puma Fi features a built-in micromotor, which, when paired with the app, controls super-thin cables that tighten or loosen the shoe.

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