The penultimate chapter of the current Cristiano Ronaldo Mercurial series drops ahead of the international fixtures as "Chapter 6" focuses on Ronaldo's role as captain of his national team, Portugal.

The latest signature Mercurial Superfly for Nike's leading man is the first to take on the form of the new-generation Mercurial Superfly 360, and arrives with more features that tell the story of CR7's illustrious career. "Born Leader" is the title of the chapter, and it'll be at the front of Ronaldo's mind as he prepares to lead his country into the 2018 World Cup.

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Cristiano Ronaldo captained Portugal for the first time on February 6, 2007, the day after his 22nd birthday. Since then he has gone on to set the record for most captaincies of his country. Chapter 6 in the series of seven CR7 boots focuses on Ronaldo’s role as the captain of his nation, hence the palette of the boot complementing Portugal’s traditional colours.

A nod to Portugal’s historical sea exploration lies within the Swoosh, and on the lateral side of the heel, the captain’s “C” is incorporated into a raised applique of the sphere. You can expect Cristiano Ronaldo to switch into his new signature design for Portugal's friendlies with Egypt and Holland this weekend.

CR7's new work shoes quickly turned heads as he trained with the Portugal squad this morning. Caption comp anyone?

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Pick up the Nike Mercurial Superfly CR7 Chapter 6 football boots from prodirectsoccer.com