How to Wash a Waterproof Jacket: Safe Cleaning Methods & Best Detergents Explained

You spend a significant amount of money on a high-quality waterproof jacket to keep you dry in a downpour. After a few muddy treks or long days in the field, that jacket starts to look dull and perform poorly. Many outdoor enthusiasts avoid washing their jackets for fear of stripping away the protective coating. 

Neglecting your kit can do more harm than good, as dirt and body oils can clog the fabric's breathable pores.

In this post, you will learn the step-by-step methods for cleaning your waterproof jacket and how to choose the right technical detergents to restore its full waterproof performance.

Can You Wash a Waterproof Jacket Without Damaging It?

You can wash your waterproof jacket at home without damaging the fabric. The jacket works because of a Durable Water Repellent (DWR) finish, a special coating on the outer fabric that makes water form small droplets and slide off the surface.

When mud, sweat, and oils build up, they mask this coating. The fabric then starts to soak up water, which makes you feel cold and clammy. That is why it is essential to clean it properly.

You can choose one of the following cleaning methods based on how much work the jacket needs:

• Machine Washing: It is the most efficient way to deep-clean the entire garment and remove trapped oils.
• Hand Washing: This is a better choice for older, delicate items or when you only need to remove a few muddy splatters.

How to Wash a Waterproof Jacket In Washing Machine

Machine washing is a simple process if you follow the correct sequence. Here are the steps for a successful machine wash of a waterproof jacket:

Check the Care Label First

The first step is to locate the care label inside your jacket, as it is the most important piece of information you have. 

Manufacturers include specific symbols that indicate the maximum temperature the fabric can withstand. Most technical jackets require a cool wash at 30°C. Higher temperatures can melt the seam tape or damage the internal membrane. 

Always read these instructions before you start the machine.

Prepare the Jacket for Washing

The next step is to prepare the jacket for the washing machine. Take a moment to do the following:

• Empty all pockets
• Close every zip and Velcro strap
• Shake or brush off dried mud
• Loosen drawcords

Loose zips can snag the fabric or tear the delicate waterproof membrane during the spin cycle. It is also wise to clean the detergent drawer of your machine to remove any leftover traces of standard soap.

Choose the Right Wash Cycle

The third step is to select the correct setting of your washing machine. Choose a gentle or synthetic cycle with low agitation and a slower spin speed. For example, many washing machines label this as “Delicate,” “Outdoor,” or “Synthetic.” These settings help protect the jacket's technical coatings and bonded seams.

Use the Correct Amount of Detergent

Now add your cleaning agent. You should use a dedicated liquid cleaner designed for technical apparel. Do not use more than the amount recommended on the bottle for a single garment. Using too much cleaner is a big mistake, as excess soap is difficult to rinse out. 

Run an Extra Rinse Cycle

The final step is to ensure the jacket is completely clean. Even when you use the correct amount of detergent, some soap particles might remain in the fabric. You should run an extra rinse cycle once the main wash finishes. This step confirms that the material is completely clear of any cleaning agents.

How to Hand-Wash a Waterproof Jacket

If you prefer a more hands-on approach or have a very lightweight shell, a sink wash is the safest route. This method prevents the mechanical stress of a spinning drum.

 Follow these steps to get your outdoor jacket clean by hand:

1. Fill a clean sink or a large plastic tub with plenty of cool water.
2. Mix in a small dose of technical wash solution and stir it until the water feels slightly soapy.
3. Push the jacket under the water and move it around gently to make sure it is fully soaked.
4. Rub the fabric against itself softly on the collar and cuffs to break down skin oils.
5. Use a soft sponge to wipe away any obvious mud marks from the outer shell. Avoid scrubbing with stiff brushes because you do not want to scrape away the protective coating.
6. Empty the sink and refill it with fresh, cold water to begin rinsing.
7. Dunk the jacket repeatedly until the water stays clear and you no longer see any bubbles.
8. Lift the jacket out and press it against the side of the tub to remove water, but do not wring the fabric.

Best Detergents for Washing Waterproof Jackets

Choosing the right detergent can either save your jacket or ruin it. You must avoid enzyme-based detergents and fabric softeners at all costs. These types of detergents can damage the protective coating on your jacket.

Fabric softeners work by coating fibres in a waxy layer to make them feel soft. This wax completely kills the breathability of a technical jacket and stops water from beading.

A good detergent for waterproof gear should possess the following qualities:

• Soap-Based Formula: It must be a non-detergent liquid that cleans without stripping the DWR finish.
• pH-Neutral: A neutral pH helps protect the waterproof membrane and synthetic fibers, preventing them from weakening during washing.
• Residue-Free Rinse: The solution must rinse away completely so it does not attract water to the surface.
• Breathability Preservation: It should clear dirt from the fabric's pores to allow sweat to escape.

You should look for liquids specifically labelled as 'Tech Wash' or 'Performance Cleaner' in outdoor shops. Always check the back of the bottle to confirm the solution is safe for breathable membranes like Gore-Tex or similar technical fabrics. For the best results, always use specialised aftercare and waterproofing solutions.

If your jacket is very old and continues to soak up water after a clean, you might also consider a 'wash-in' proofer. This is a separate liquid used after the cleaning stage to add a fresh layer of DWR to the fibres. 

How to Dry a Waterproof Jacket the Right Way

Drying correctly is just as vital as the wash for the waterproof coat itself. You have two main options, depending on the garment's care instructions.

Air Drying

Air drying is the most reliable way to protect the life of your jacket. Put the garment on a wide, sturdy hanger so it keeps its shape. Place it somewhere with plenty of fresh air, but keep it away from direct sunlight or very hot radiators. It takes a bit longer for the pockets and zips to dry this way, so give it a full day before you pack it away.

Tumble Drying

Some manufacturers actually recommend a short stint in a tumble dryer. Low heat helps to reactivate the DWR coating by snapping the water-repellent polymers back into a vertical position. Only use a tumble dryer if the care label specifically allows it. 

Set the machine to a low or delicate heat for about twenty minutes. Monitor the jacket closely to confirm it does not get too hot.

Conclusion

Keeping your outdoor kit clean ensures your gear performs properly when the weather turns. The right soaps and gentle wash cycles also help extend the life of your jacket and save money over time. With the steps in this guide, your layers can remain a reliable shield against the elements.

If you spend time outdoors in unpredictable British weather, reliable outerwear matters. Game Clothing offers durable jackets and countryside gear built for the field and trusted by shooters and outdoor enthusiasts. With the right care and proper washing, your waterproof jacket can keep performing season after season. 

Explore the collection to find outerwear designed to handle rain, wind, and long days outside.