"I need as exact a physical description as you can give me", he said to Oracle via his communicator as he soared into the airspace above Gotham. As he flew by a line of laundry hung out to dry between two buildings, he borrowed a few articles of clothing.
Moments later when he touched down in an alley around the corner from the International House of Tofu, he had on sweat pants and over sized hoodie over his costume. Something he would not typically ever wear, but what none the less disguised him in such a way that might have even made Batman proud.