Keeping your baseball cap clean can be a challenging task, especially if you’re unsure of the best methods to maintain its shape and color. In this guide, we will explore various effective methods for washing baseball caps, ensuring they remain in good condition.
Whether you’re dealing with a fitted cap, a white cap, or simply want to know if the dishwasher is an option, we’ve got you covered.

Understanding the Material of Your Cap
Before you start cleaning, it’s important to know what material your cap is made from. Most caps are either cotton, wool, or a synthetic blend. Each material has unique cleaning needs.
- Cotton: This fabric is relatively easy to clean and can usually withstand more vigorous washing methods.
- Wool: Wool is more delicate and can shrink if not handled properly.
- Synthetic Blends: These materials typically handle moisture well but can sometimes be prone to color fading.
Once you’ve identified the material, you can choose the best washing method accordingly.
How to Wash a Baseball Cap by Hand
Hand washing is one of the safest ways to clean a baseball cap, regardless of material.
Materials Needed
- Mild detergent
- Soft-bristled brush or old toothbrush
- Clean towel
Steps
- Fill a Basin: Use cool water and add a small amount of mild detergent.
- Submerge the Cap: Let it soak for about 10-15 minutes.
- Scrub Gently: Use the soft-bristled brush to gently scrub any stains or dirt.
- Rinse Thoroughly: Rinse the cap with cool water to remove all soap.
- Remove Excess Water: Press a clean towel against the cap to absorb excess water.
- Air Dry: Place the cap on a towel and reshape it. Allow it to air dry completely.
How to Wash a Baseball Cap in a Washing Machine
If you prefer using a washing machine, follow these steps to ensure your cap stays intact.
Materials Needed
- Washing machine
- Gentle detergent
- Cap shaper (optional)
Steps
- Use a Cap Shaper: If available, place the cap on a cap shaper to help it maintain its shape.
- Select a Gentle Cycle: Set your machine to a gentle cycle with cold water.
- Use a Mild Detergent: Add a small amount of gentle detergent.
- Wash with Similar Colors: Avoid washing caps with heavy or rough items.
- Air Dry: Once washed, remove the cap and reshape it. Let it air dry.
How to Wash a Baseball Cap in the Dishwasher
The dishwasher can be a suitable option for cleaning baseball caps, particularly those made of cotton or synthetic materials.
Materials Needed
- Dishwasher
- Dishwashing detergent (without bleach)
- Cap cage (optional)
Steps
- Place on the Top Rack: Use a cap cage if you have one to help maintain the shape.
- Use Cold Water: Select a setting that uses cold water.
- Avoid Heat Dry: Do not use the heat dry setting, as it can warp the cap.
- Air Dry: After washing, reshape the cap and allow it to air dry.
How to Wash a Fitted Baseball Cap
Fitted caps require special care due to their specific sizing.
Steps
- Spot Clean First: Focus on stained areas using a mild detergent and a soft brush.
- Hand Wash for Best Results: Follow the hand washing steps mentioned earlier.
- Air Dry on a Form: Use a bowl or another round object to maintain the cap’s shape while it dries.
How to Wash a White Baseball Cap
White caps can show dirt and stains more readily, requiring extra attention.
Steps
- Pre-Treat Stains: Use a stain remover or baking soda paste for tough stains.
- Hand Wash: Follow the hand washing instructions for gentle cleaning.
- Rinse Thoroughly: Ensure all detergent is removed to prevent yellowing.
- Air Dry in Sunlight: Drying in sunlight can help brighten the fabric.
Final Tips for Washing Baseball Hats
- Avoid Hot Water: Always use cold or cool water to prevent shrinking and color fading.
- Don’t Use Bleach: Even on white caps, bleach can damage the fabric and stitching.
- Avoid the Dryer: Always air dry to maintain the cap’s shape and size.
- Check Labels: Some caps come with specific washing instructions that should be followed.
By following these methods, you can keep your baseball caps looking fresh and clean without compromising their structure or color. Whether you’re using traditional hand washing techniques or modern appliances, maintaining the integrity of your cap is always possible with a little care and attention.