The worn-out clothes are Rally Dawson's outfit.
In some video games, the worn-out clothes can worn by female player characters. Despite Rally being male, it cannot be worn by male characters. The male alternative to it is the Rock 'n Roller outfit.
In Yu-Gi-Oh! 5D's World Championship 2009: Stardust Accelerator and Yu-Gi-Oh! 5D's World Championship 2010: Reverse of Arcadia, it can only be worn by female players and can be found in a factory in the Satellite slums.