Riffing off the memes, the Harris campaign designed and produced a prototype within hours. By that evening in Philadelphia, Walz had the soon-to-be-viral hat in hand and tweeted a photo wearing it.

William Forsee wears an unofficial Harris-Walz campaign hat. (Katy Stech Ferek/WSJ) One piece of Harris-Walz campaign merchandise was hard to spot the first morning of the Democratic National ...

Now that U.S. Vice President and presidential candidate Kamala Harris and her running mate Tim Walz have become the Democratic dynamic duo, they’ve also entered the political hat race with a ...