Soak the hat in the water for 10 to 15 minutes, gently scrub the stained spots with a soft-bristled brush, rinse with clean water, and repeat with a fresh solution until the stains are gone.

To clean a baseball cap: Fill a large container or bucket with water. Make sure it has enough space for the hat to be fully submerged. If you have tough stains on the hat, use a stain remover and ...

A temperature test showed the hat cooling down to 54.5 degrees Fahrenheit on a 90-degree day. Sally Kaplan/Insider Updated 2025-06-23T14:11:49Z ...