Start with a dry brush and mild soap for most knit shoes
The safest way to clean knit shoes is to brush them dry first, then spot-clean with cool water and a small amount of mild detergent. Most knit uppers can handle this method without shrinking or losing shape, as long as you avoid the washing machine and do not soak the entire shoe. The key is working gently and letting the shoe dry flat or stuffed with paper, never in direct heat.
Begin by removing loose dirt with a soft-bristled brush — an old toothbrush or a dedicated shoe brush works well. Brush in one direction, paying attention to seams and textured areas where dust collects. If the shoe has a rubber sole, you can brush that separately with a slightly stiffer brush to avoid transferring grit back onto the knit.
Key Takeaways
- Dry-brush knit shoes first to remove loose dirt, then spot-clean stains with cool water and a drop of mild dish soap on a soft cloth.
- Never machine-wash, soak, or wring knit shoes, as these methods can cause shrinkage, stretching, and permanent shape loss.
- Stuff wet shoes with crumpled paper or newspaper and replace the paper every few hours to absorb moisture and help them dry flat.
- For stubborn stains, let the soapy water sit on the spot for a few minutes before gently rubbing with a soft cloth, then rinse with a damp cloth and plain water.
- Air-dry knit shoes away from radiators, direct sunlight, and heat sources, which can weaken the fibers and cause discoloration.
Mix a gentle cleaning solution for spot treatment
Once you have removed the loose dirt, mix a small bowl of cool water with one or two drops of mild dish soap — the kind you use for washing dishes by hand, not laundry detergent. Dip a soft cloth (microfiber, cotton, or an old t-shirt works) into the solution and wring it out so it is damp but not dripping wet. Rub the stained area gently in small circles, working from the outside of the stain toward the center to avoid spreading it.
For scuffs or marks on the knit surface, you may need to let the soapy cloth sit on the spot for two to three minutes to soften the dirt before rubbing. Do not scrub hard or use a stiff brush on the knit itself — the fibers can pill or fray if you explore too much pressure. After the stain lifts, use a second damp cloth with plain cool water to rinse away the soap, then blot with a dry cloth.
Dry knit shoes properly to prevent shrinkage and mildew
How you dry the shoe matters as much as how you clean it. Stuff the inside loosely with crumpled newspaper or paper towels to help the shoe hold its shape and absorb moisture from the inside. Replace the paper every two to three hours while the shoe is still damp — this speeds drying and prevents odor. Do not use a hair dryer, radiator, or direct sunlight, all of which can weaken the knit fibers, cause shrinkage, or fade the color.
Place the shoes in a cool, well-ventilated area — a shelf in a closet, a corner of a room, or near an open window works well. Knit shoes typically take 24 to 48 hours to dry completely, depending on how wet they are and the humidity in your home. Once they are dry, remove the paper and try them on to make sure they still fit. If they feel tight, they may have shrunk slightly; if they feel loose, the knit may have stretched during drying.
Handle rubber soles and trim separately
If your knit shoe has a rubber sole, you can clean it more aggressively than the knit upper. Use a slightly stiffer brush or an old toothbrush with the same mild soap solution to scrub the sole, then rinse with plain water and dry with a cloth. For stubborn sole stains, a magic eraser (melamine foam) works well on rubber without damaging it — just test it on a hidden spot first to make sure it does not discolor the sole.
Trim and binding — the reinforced edges around the opening or heel — can usually handle the same gentle cleaning as the knit itself. If the trim is a different material (leather, synthetic, or canvas), check the shoe's care tag to see if it has special instructions. Some knit shoes have a leather heel counter or toe cap; these can be cleaned with a slightly damp cloth but should not be soaked or scrubbed hard.
Treat odor and mildew if the shoe gets wet
If your knit shoe gets soaked or sits damp for more than a day, mildew or odor can develop. To prevent this, dry the shoe as quickly as possible using the paper-stuffing method and good air circulation. If you notice a musty smell after the shoe has dried, sprinkle a small amount of baking soda inside, seal it in a bag overnight, and shake out the powder the next day.
For visible mildew (dark spots on the knit), mix equal parts white vinegar and cool water, dip a cloth in the solution, and gently dab the affected area. Let it air-dry completely. If mildew returns or covers a large area, the shoe may have absorbed too much moisture to recover fully, and replacement may be the safer choice to avoid spreading mold to other shoes or your feet.
Protect knit shoes between cleanings
Regular light cleaning keeps knit shoes looking better longer and reduces the need for deep cleaning. After wearing them, wipe the outside with a dry cloth to remove dust and surface dirt. Store them in a cool, dry place — not in a damp basement or sealed plastic bag, which can trap moisture and encourage mildew.
If you wear the same knit shoes several days in a row, let them air out for at least one day between wears. This allows any moisture inside to evaporate and reduces odor. Shoe trees or crumpled paper inside the shoe while storing also helps them hold their shape and absorb any residual moisture.
When to replace instead of clean
Some damage cannot be reversed by cleaning. If the knit has large holes, tears, or permanent stains that do not lift after gentle cleaning, the shoe has likely reached the end of its life. Knit shoes that have shrunk significantly or stretched out of shape during cleaning may not fit comfortably anymore, even if they look clean.
If a knit shoe has been soaked repeatedly or exposed to heat and the fibers feel brittle or weak, cleaning will not restore the structural integrity. In these cases, the shoe is more likely to fall apart during wear than to be salvaged by further cleaning. Replacing the shoe is usually the better choice than spending time on a shoe that is already failing.
Frequently Asked Questions
Can I put knit shoes in the washing machine on a delicate cycle?
No. Even a delicate cycle can cause shrinkage, stretching, and pilling in knit shoes. The agitation and water temperature of a machine wash are too harsh for most knit fabrics. Hand-cleaning with a damp cloth and mild soap is much safer and takes only a few minutes.
What should I do if my knit shoe shrinks after I clean it?
Shrinkage is usually permanent once the fibers have dried. To prevent it, always use cool water, avoid heat sources, and dry the shoe flat or stuffed with paper rather than stretched. If a shoe has already shrunk, you may be able to gently stretch it while damp by wearing it with thick socks, but results are not may provide.
Is it safe to use bleach or hydrogen peroxide on white knit shoes?
Bleach can weaken knit fibers and cause yellowing over time, so it is not recommended. For white knit shoes, stick to mild soap and cool water. If a stain persists, a small amount of white vinegar mixed with water may help lift it without damaging the fibers.
How do I remove salt stains from knit shoes worn in winter?
Mix equal parts white vinegar and cool water, dip a soft cloth in the solution, and gently rub the salt-stained area. Rinse with a damp cloth and plain water, then dry with paper towels and stuff with newspaper to absorb moisture. Vinegar dissolves salt deposits without harming the knit.
Can I use a fabric protectant spray on knit shoes to prevent stains?
Yes, fabric protectant sprays designed for shoes can help repel water and stains on knit uppers. explore the spray in a well-ventilated area according to the product instructions, usually before wearing the shoes for the first time. Reapply every few months or after cleaning, depending on how often you wear the shoes.