Knee braces with metal hinges need a different approach than simple fabric sleeves. You can’t toss them in the washing machine, and you need to keep moisture away from the metal parts to prevent rust. The good news: the process is simple and takes just a few minutes.
Daily Wipe-Downs After Each Use
The single most effective habit is wiping your brace down after every wear. For larger braces with metal structures, like ACL or osteoarthritis braces, use a damp washcloth or baby wipe to clean the entire surface, including the metal hinges, straps, and padding. This removes sweat and skin oils before they soak into the fabric or start corroding the metal. If you only do one thing on this list, make it this.
Baby wipes work especially well for quick cleanups because they’re gentle enough for the fabric and neoprene but effective at lifting salt and oils from metal surfaces. Keep a pack wherever you store your brace.
Deep Cleaning the Fabric and Padding
Every week or two, depending on how often you wear it, your brace needs a more thorough wash. Here’s how to do it without damaging the metal or fabric components:
- Remove detachable parts. Most hinged braces let you pull the metal stays or hinge mechanism out of fabric sleeves or pockets. If yours does, remove them before washing. Check your brace’s manual if you’re unsure what detaches.
- Hand wash the fabric. Fill a basin or sink with cold water and add a small amount of mild soap or regular laundry detergent. Gently work the solution through the fabric, paying extra attention to areas that sit against your skin. Avoid hot water, which can warp neoprene and break down elastic materials.
- Skip the additives. Don’t use fabric softener, bleach, or specialty detergents like Woolite. These can degrade the knit fabric and neoprene over time.
- Rinse thoroughly. Leftover soap residue can irritate your skin and stiffen the fabric. Rinse until the water runs clear.
If your brace’s metal components aren’t removable, you can still hand wash it. Just avoid submerging the hinges for extended periods. Wash quickly, rinse well, and move straight to drying.
Cleaning the Metal Hinges
While the fabric soaks or after you’ve separated the parts, clean the metal hinges on their own. Wipe them down with a damp cloth and mild soap, then dry them immediately and completely with a dry towel. Standing moisture is the main enemy here. Even stainless steel or aluminum hinges can develop surface corrosion or stiffness if water sits in the joints.
If you notice any sticky buildup in the hinge mechanism, a cotton swab dipped in soapy water can get into the crevices. Dry the area thoroughly afterward. Avoid using rubbing alcohol or harsh chemical cleaners on metal parts, as these can strip protective coatings some manufacturers apply.
Can You Machine Wash a Metal Knee Brace?
Some manufacturers, like Bauerfeind, say their supports can be machine washed on a gentle cycle in cold water (around 30°C) using a mesh laundry bag. But this guidance is typically for their knit fabric supports, not for braces with heavy metal hinge systems. A large hinged brace tumbling around in a washing machine risks bending the metal, damaging the drum, and stretching out the fabric.
If your brace does have a removable fabric sleeve that the manufacturer says is machine-safe, secure all velcro tabs to their straps before washing. Loose velcro can snag and pull runs in the knit. Use a mesh bag and cold water on the delicate setting, with regular detergent and nothing else. Never put any part of the brace in a dryer.
Drying Without Causing Damage
Lay the fabric components flat to air dry. Don’t hang them, as the weight of the wet material can stretch the fabric and distort the fit. Drying time varies, but most braces need several hours in a well-ventilated area. A fan or light breeze speeds things up considerably. Brief sun exposure can help freshen up the fabric, but don’t leave neoprene braces in direct sunlight for extended periods. UV light degrades neoprene over time, making it brittle and less supportive.
Make sure the brace is completely dry before wearing it again or storing it. Putting on a damp brace traps moisture against your skin, which creates exactly the warm, humid environment bacteria and mold thrive in. If you need to wear your brace daily, consider cleaning it in the evening so it has overnight to dry.
Preventing Odor Between Washes
Sweat is the root of most brace odor problems. Wearing a thin cotton sleeve or liner underneath the brace absorbs moisture and can be laundered easily every day. After each use, stand the brace upright in an open area rather than stuffing it in a gym bag or closet. Airflow prevents the musty smell that comes from bacteria multiplying in trapped moisture.
If odor has already set in, a soak in cold water with a tablespoon of white vinegar can help neutralize it. Vinegar is mild enough for neoprene and won’t corrode metal if you keep the soak short (15 to 20 minutes) and rinse thoroughly afterward. Dry the metal components immediately.

