As for actual washing spot clean only especially if you re unsure of the bill material.
Cleaning baseball cap in washing machine.
How to wash a baseball cap in the washing machine.
Spot clean any particular stains before washing using a suitable stain remover.
If your baseball cap is dirty and contains grime dust then washing it is necessary.
Soaking an old cardboard bill in water will obviously ruin it.
Cleaning older baseball caps those from the early 80s or before in a washing machine is not recommended since they likely have a cardboard brim.
Warm and cold are fine.
It s very important not to leave it in the sun as this may make the stains permanent.
Washing can alter the shape of a baseball cap.
Use a gentle cycle and do not wash your cap in hot water.
You need to remember there are three key issues with baseball cap washing that you need to consider before making any big cleaning decisions this applies to both dishwashers and washing machines.
Washing may shrink a baseball cap.
Washing can ruin the brim on a baseball cap.
While you may have heard you can wash a hat in the dishwasher or washing machine it s best to stick with hand washing to avoid bending the hat out of shape.
Then follow step three above to reshape and dry the hat.
If you have a vintage hat with a cardboard brim you ll want to avoid fully submerging it.
If the rag comes away clean you re clear to use detergent.
If the rag comes away with some color you ll have to use water only to clean the cap and simply do the best you can.
Follow the steps below to keep your favorite hats clean and fresh.
Do not put your baseball cap in the dryer always air dry.
Cotton polyester blends and synthetic materials such as acrylic or mesh are generally safe bets for machine washing because the material is durable and colors typically won t run.
Since hats specifically the bill are structured items hand washing helps preserve the hat s specific shape.
This is a protective device that can be washed and will keep the cap in its original shape.
Staff answer if you want to wash a baseball cap in the washing machine place it inside a cap cage first.
If your baseball cap has stains on it and you want to get rid of them you can try removing them with a mixture of water washing up liquid and ammonia.
Use table fan if required.
As much as i love using the dishwasher to clean a host of household items i don t recommend it for hat cleaning because of the hot water issue.
Instead spot clean problem areas with water and delicate laundry detergent being careful not to wet the cardboard.
Using a toothbrush scrub the stains and then leave the cap to dry in the shade.
Rinse the hat in cool clean water.
Wash your hat but do not dry your cap in the washer.
You can also check this short article about washing a cap using the dishwasher.