Alonso in the training test adidas black shoes

At bayern Munich in the champions league with Manchester city in the pre-game preparation training alonso was wearing a pair of mysterious test black shoes.

We all know that in prior to the release of the new shoe with black camouflage player then invite endorsement to test, and according to the results of their feedback to adjust to a certain extent.

To be sure this pair of black test is a new product of adidas shoes, because in front of the toe cap was full of friction stripes, is this the latest research and development of controlling adie series?

But if this pair of shoes is a new series, so will be on the function and the Predator doesn't overlap?Because today's 3 g is no longer the main force, but the control target.

Alonso also partners before the Predator and 11 Pro, if the series is really adidas brand new research and development of new series, so if xabi alonso will translate endorsement camp?

On this mysterious test black shoes, what is your opinion?