Summerbat. Based on this.
Entertainment industry should use high fashion way more often to design superhero costumes. Male heroes would look much more empowered, while the heroines, even in the most skimpy of clothes, at least can count on their outfits to be wearable and physically possible.
Also, let’s consider that this costume on Batman isn’t even particularly sexualized or out of ordinary for the DC universe standards once we put it next to Robin’s infamous pantless look.