Notably absent these last few years, an iconic piece of Bat-imagery will be returning to the Caped Crusader’s ensemble.
Via Comic Book.com:
The yellow disc was added in the 60s as part of the “new-look” approach to Batman, made famous in the comics and even more so by the classic 1966 TV show.
As you know if you’re a Batman connoisseur, he used to sport purple gloves, too. No word yet on reviving that look, although purple has been a key part of Batgirl’s palette since Yvonne Craig.