"Do you?" scrawled on the back when she boarded her plane to visit a child migrant detention centre.
But Melania Trump's fashion has often played a leading role during her tenure as first lady.
"You could be creating thousands of immigrant orphans in the USA that one day could become eligible for citizenship when they are adopted", Sandweg said on NBC News.
Some of the children are being detained close to where they were detained at the border, others however have been sent as far north as NY.
"But first of all, let me begin to recognize each of you and thanking you for all that you do, for your heroic work that you do every day and what you do for those children".
Melania Trump, herself an immigrant from Slovenia, first weighed into the debate on Sunday with a public statement saying she hated to see children separated from their families and calling on the USA to govern "with heart".
If the Flores ruling is not reversed, immigration officers will have to separate the children from their families again.More news: AT&T, Verizon to limit sales of phone location data to third parties
"The upside of Melania's jacket is that she has hopefully deposed hangers-on of the notion that she is actually a good person secretly plotting against her husband", tweeted reporter Shane Bauer of the liberal publication Mother Jones. The children attend school five days a week and have access to a variety of activities. We don't like to see families separated.
FLOTUS Melania Trump deliberately wore her controversial 'I don't care, do u?' jacket to meet detained child migrants, an expert claims.
Asked about it, her spokeswoman Stephanie Grisham said: "It's a jacket".
A tone-deaf sartorial decision - or a hidden message from the first lady? "After today's important visit to Texas, I hope the media isn't going to choose to focus on her wardrobe", she said.
Trump toured the facilities of the Upbring New Hope Children's Center in McAllen, Tex. and participated in a roundtable discussion with staff members. "'I REALLY DON'T CARE, DO U?' written on the back of Melania's jacket, refers to the Fake News Media", the president declared.
Some 2,300 migrant children have been separated from their families since May, according to the government.
In a dramatic reversal of his previous stance, Mr Trump signed an executive order to keep families together at the border. She had on the same shoes when she visited hurricane flood zones in Texas previous year.
It has already sold out, with sales being pledged to a refugee and immigrant support service based in Texas.