Mob is finally pushed to his limit when he has to face Sakurai, Muraki, Matsuo and Ishiguro of the upper echelon. But then, he comes to a rather surprising decision...
and wear clothes you can exercise in 
and don't mind getting dirty.
مرتدياً الملابس التي يمكنُك التمرُّن بها
ولا تأبه بشأن توسّخها
vestindo roupas de exercício
 e que não se importe em sujar.