For felt, try this method from Fashionable Hats. For adjustable non-wool baseball caps, try a washing cage. The post How to ...

Knowing how to get rid of sweat stains can help you remove embarrassing discoloration ... For instance, you might see a white ring on your favorite baseball cap. This is caused by the accumulation ...

But fret not, dear reader, because there are solutions — you can remove those gross sweat stains! As a service to golf-hat-lovers everywhere, I scoured the web and even performed my own tests at ...