Can You Wash a Hat in the Washer and Dryer? | The Right Way

A favorite baseball cap that has survived game-day spills, summer sweat, and countless outings eventually needs a wash. The natural instinct is to toss it in with the next load and hit start. But the combination of hot water, high-speed spinning, and dryer heat is a fast track to a shrunken, misshapen hat that no longer fits right.

The short answer is yes — many hats can go in the washing machine with the right settings. But the dryer is almost always a bad idea. Most hat care guides agree that air drying is the only way to keep the brim firm and the crown structured. This article covers exactly how to wash a hat in the washer, when to skip the machine, and why the dryer is best left off.

What the Washing Machine Can Handle

Before you toss that hat in, check the label. Materials matter. Cotton and polyester blends handle a machine wash well. Wool, cashmere, or hats with cardboard brims need a more gentle approach — usually hand washing or spot cleaning.

For machine-safe hats, prep is simple. Brush off loose dirt, spot treat any stains with a mild detergent, and zip the hat into a mesh laundry bag or cap cage. Use cold water and set your washer to the delicate or gentle cycle.

A front-loading washing machine is gentler on hats than a top-loader with a central agitator. If your top-loader has an agitator, the mesh bag helps keep the hat from snagging or twisting.

Why the Dryer Ruins a Good Hat

The heat and tumbling inside a dryer work against everything a hat needs to keep its shape. Here is what can go wrong:

• Shrinkage — High heat tightens the fabric, especially cotton, making the hat too small to wear comfortably.
• Warped brim — A structured brim can bend, curl, or soften permanently from the heat and motion.
• Faded colors — Tumbling and heat accelerate fading on graphic logos and vibrant fabrics.
• Elastic damage — Many hats have a sweatband or stretch panel that can dry out and lose its spring.
• Bent crown — Without a form, the crown collapses and dries in a misshapen lump.

All of these problems are avoidable with a simple air-dry routine. Taking a few extra minutes after the wash keeps your hat looking fresh and fitting right.

How to Wash a Hat in the Washer Step by Step

Start by checking the hat’s material and sweatband. If it is cotton, polyester, or a blend and the brim is not cardboard, you are good to go. Place the hat in a mesh laundry bag for extra protection.

Add a small amount of mild detergent — skip the bleach and fabric softener. Run the washer on a cold water, delicate cycle. Many washer guides recommend washing with similar items like small towels to balance the load, as noted in Whirlpool’s delicate cycle guide.

Once the cycle finishes, remove the hat immediately. Do not put it in the dryer. Gently squeeze out excess water — never wring it out. Reshape the crown and brim while the hat is still damp.

How to Dry a Hat Without Ruining It

Drying is where most hats meet their end. Here is the safe approach:

1. Air dry only. Lay the hat on a clean towel or place it on a hat form to hold its shape.
2. Stuff the crown. If you do not have a form, stuff the inside with a small towel or balled-up paper to maintain the dome.
3. Keep it away from heat. Avoid radiators, direct sunlight, or any heat source that could shrink the fabric.
4. Leave the brim alone. Do not place heavy objects on the brim to flatten it — that can create a permanent crease.

Reshape the hat gently as it dries. Pat the sweatband down and smooth the crown. Let it sit for 12 to 24 hours before wearing it again.

When to Skip the Machine Altogether

Hand Washing and Spot Cleaning

Not every hat can survive the washing machine. Structured caps with a rigid brim, especially snapbacks or trucker hats, are best hand-washed. Wool, cashmere, and other delicate fabrics require cold water and a gentle detergent by hand.

Hats with cardboard brims — common in some vintage styles and cheaper caps — will disintegrate if submerged. For these, spot clean the fabric with a damp cloth and mild soap. Upholstery cleaner also works well on small stains.

As Maytag’s cap washing guide notes, even machine-safe hats benefit from a mesh bag and cold water. But for any hat you are unsure about, hand washing is the safest bet to preserve shape and extend its life.

When you search for “wash hat washer dryer,” the answer comes down to material and construction. A quick check of the hat’s inside tag tells you everything you need to know about which method to use.

Common Mistakes People Make

The biggest mistake is assuming all hats are built the same. Tossing a structured cap into a hot wash with heavy clothes is almost likely to bend the brim. Another common slip is using bleach or fabric softener, which weakens fibers and ruins colors.

Drying the hat on a radiator or in direct sun might seem faster, but uneven heat can cause warping. And forgetting to reshape the crown while it is damp means the hat dries in the shape of the laundry pile it sat on.

The Bottom Line

Washing a hat in the machine is possible, but only with the right cycle, cold water, and no dryer. A mesh bag adds protection, and reshaping while damp ensures a proper fit. For structured or delicate hats, hand washing stays the most reliable method.

If your hat is expensive or holds sentimental value, test a small hidden area before any full wash or machine cycle. A dry cleaner or the hat manufacturer can give you guidance specific to your cap’s materials and construction.