Cleaning a baseball hat can be difficult because of its shape. Here’s how to easily clean it without ruining it.

If baseball is America’s national pastime, then baseball hats are the country’s unofficial uniform. We buy more than 400 million a year, according to a 2024 market-research report.

It’s not as simple as throwing them in the washer with your clothes. I spoke with experts to find the best way to keep your hats clean without ruining them.

Not all hats are machine washable. I spoke to experts about how to properly wash beanies, caps and bucket hats without ...