To unlock the following Adidas sneakers for your use, insert the corresponding codes into the in-game extras menu.

23DN1PPOG4 - Gil Zero All-Star
ADGILLIT0B8 - TS Lightswitch (Away)
ADGILLIT1B9 - Gil Wood
ADGILLIT2BA - TS Lightswitch (Home)
ADGILLIT4BC - Cuba
ADGILLIT5BD - Customize
ADGILLIT6BE - Agent Zero
FE454DFJCC - Duncan All-Star