Gotham Knights(202) Link

The "piece" you are likely looking for is a designed for cosplay or Halloween:

Listed by various sellers on Mercado Livre , often with options for express shipping or interest-free installments. Context of Gotham Knights GOTHAM KNIGHTS(202)

A full-body jumpsuit featuring the blue bird emblem and tactical armor detailing seen in the game's default "New Guard" suit. The "piece" you are likely looking for is