Alaba and Robben Train in Blue Adidas X 2015-2016 Boots

Pre-season begins, boot spotting begins. FC Bayern Munich today resumed training in preparation for the new season, and David Alaba and Arjen Robben already laced up in the unreleased Solar Blue Adidas X 2015-2016 Football Boots.

Watched by a crowd of around 700, former Adidas F50 Adizero players Arjen Robben and David Alaba stepped out of the Säbener Strasse dressing room shortly before 11 am on Wednesday wearing the stunning blue Adidas X 15.1 Soccer Cleats.

Alaba and Robben Reveal Blue Adidas X 2015-2016 Cleats

Arjen Robben trains in the synthetic version of the blue Adidas X 15.1 Football Boot.

Arjen Robben rejoined the group after he missed the run-in to the end of last season with injury wearing the new Solar Blue / Solar Yellow / Black Adidas X 15.1. Featuring a low Dynamic Fit collar, the Solar Blue Adidas X Boots boast black applications and striking Solar Yellow details.

The blue Adidas X 15-16 Boot is already a fans' favorite, set to be released in the coming days. The special colorway of the totally new Adidas X Cleats will be worn by selected Adidas athletes from the start of the 2015-16 season.

David Alaba laced up in the leather version of the new Solar Blue Adidas X 15.1 Boots, which feature a Kangaroo leather upper and no techfit collar.

It's expected that the new Solar Blue Adidas X 15.1 2015-2016 Boot will be officially launched in early July.

Stunning. What do you think of the new Adidas X 2015-2016 Boots paint job? Let us know in the comments below.