The day after President Trump’s youngest son, Barron Trump, was spotted wearing a particular J.Crew shirt, the shirt appears to be sold out online.

Barron was seen wearing the the T-shirt, with the words “The Expert” emblazoned across the front, as he and first lady Melania Trump arrived at Andrews Air Force Base in Maryland on Sunday. (RELATED: Melania And Barron Move Into The White House)

“Whatever his skill set may be, this is the T-shirt that identifies him as the expert,” the J.Crew website states, although it now contains an additional note: “We’re sorry. This item has been so popular, it has sold out.”

This isn’t the first time clothing has flown off the shelves after a member of the Trump family was seen wearing it. The dress Melania Trump wore to the Republican National Convention last July sold out within an hour of her speech.