Some light training with the Adidas Samba Primeknit

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This article was taken from the August 2014 issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content by subscribing online.

This claims to be the world's first knitted football boot.

Primeknits are as strong as conventional boots, but much lighter.

A single piece of yarn is knitted and then attached to the sole and, because the upper material is reduced to a minimum, the boot weighs just 165 grams. Your gran would be proud -- but, limited to 150 pairs worldwide, these sold out in less than 48 hours and are now highly sought after. From £500 ebay.co.uk

This article was originally published by WIRED UK