It was a simple, grey-and-black article of clothing underneath a zip-up jacket ... but it was the perfect clapback to some trolling that Celtics fans did before Friday's Game 4 in Boston.
If you missed it, outside of a popular bar, fans wrote "Ayesha Curry Can't Cook" on a sign to troll Curry's wife, who's a chef.
Steph clearly believed otherwise -- and his own trolling message hit perfectly following Golden State's dominating 104-94 win.
The 34-year-old, though, let the shirt do his talking for him, because when a reporter asked him about it -- he said simply, "You've got to ask around the room and ask Twitter.