The Ghanaian midfielder has joined the Puma family, switching from rivals Nike.
The Inter Milan star did not disclose the size of the deal, but according to a source, the terms are better than what he was getting from German sportswear giants, Nike.
The versatile midfielder could showcase the latest boots if he is selected for the Nerazzurri's Serie A match against Lecce on Sunday.
Asamoah joined his teammates in training this week after missing the side's last six games due to injury.
The Puma brand currently has Sergio Agüero, Harry Maguire, Romelu Lukaku, David Silva and Oleksandr Zinchenko under contract.