Before you roll up your sleeves, turn the label inside the jacket and read it. It takes a few seconds, but it decides whether the jacket lasts for years or loses its shape after one soak. Hand washing a suit is only safe for suits that allow water washing; for the rest, water is the enemy of the interlining. This article helps you tell which suits can be washed, then walks through seven steps for washing by hand correctly.
Quick answer
Hand wash a suit only when the label allows water washing and the jacket has no thick interlining. Seven steps: check the label and interlining, treat stains, mix cold water with a gentle detergent, soak briefly, rinse clean, press out the water with a towel, and dry on a wide-shoulder hanger. Made-to-measure or interlined wool suits should be dry-cleaned.
Which suits can be washed, and which must never be
Most suit jackets have an interlining, that is, the canvas and fusible interfacing (mex) that sit between the outer cloth and the lining to hold the shape of the shoulder, chest and lapel. With water and wringing, this interlining can shrink, detach or crease permanently. So before washing, check the table below.
| Type of suit | Can it be hand washed? | Note |
|---|---|---|
| Hand-canvassed wool suit, made-to-measure | No | Professional dry cleaning |
| Silk-lapel suit, tuxedo, silk lining | No | Water damages the lapel and lining |
| Fused-interlining wool suit, label says dry clean | Not advised | The label is the rule |
| Polyester, cotton or linen blend suit, label allows hand washing | Yes | Follow the seven steps |
| Soft unstructured blazer, label allows water washing | Yes | Wash gently, soak briefly |
If you own a made-to-measure wool suit, leave it to a dry cleaner. The article can a suit be machine washed explains why the washing machine is the riskiest choice.
Reading the care label quickly
| Symbol | Meaning | What to do |
|---|---|---|
| Washtub with a hand | Hand washable | Water below 30 °C |
| Crossed-out washtub | Do not wash in water | Dry clean or steam clean |
| Circle with the letter P or F | Dry clean | Take to a dry cleaner |
| Crossed-out circle | Do not dry clean | Rare; ask the tailor |
| Crossed-out triangle | Do not bleach | Use only mild soap |
| Iron with one dot | Iron on low heat | Place a cloth over it |
How to hand wash a suit: 7 steps in detail
Step 1: Check the label and the interlining
Read the label, then squeeze the lapel and chest lightly. If it feels stiff and thick like cardboard, a heavy fused interlining will peel easily in water. Test colourfastness by dabbing a damp white cloth on an inside edge; if the colour bleeds, stop.
Step 2: Prepare the jacket
Empty all pockets, fasten the buttons and close any zips. Treat small stains with a damp cloth and a drop of mild soap, blotting gently without rubbing. This is often more important than the soak itself.
Step 3: Mix cold water with a gentle detergent
Use cold or cool water, below 30 °C, and add a small amount of detergent made for wool or delicates. Do not use hot water, because it shrinks the fibres and loosens the interlining. Do not use bleach or strong soap, because they fade the colour.
Step 4: Soak briefly and squeeze gently
Press the jacket under the water, soak for about 5–10 minutes, then squeeze gently by hand. Do not rub or scrub with a brush, especially around the collar, lapels and shoulders. Soaking too long does not clean better; it only weakens the interlining.
Step 5: Rinse in cold water
Rinse twice in clean cold water, pressing gently so the water flows through. Do not wring. Rinse until the water runs clear and no suds remain.
Step 6: Press out the water with a towel
Lift the jacket with both hands supporting the body, lay it flat on a large bath towel, roll the towel up and press gently so the towel absorbs the water. Do not wring it, and do not hang it while it is still soaking wet, because the weight of the water stretches the shoulders.
Step 7: Dry on a wide-shoulder hanger
Hang the jacket on a wide, padded shoulder hanger, set correctly on the shoulders. Dry it in an airy, shaded place, away from harsh sun, heaters or a dryer. Reshape the shoulders, lapels and fronts by hand while the jacket is still slightly damp. When it is nearly dry, steam-iron lightly from the inside, with a cloth laid over it. See also how to iron a suit without shine on the shoulders.
Hand wash or dry clean: when to choose which
The master tailor's rule is clear: the less you wash, the longer a suit lasts. On ordinary days you need only hang the jacket where air can reach it, brush off the dust and give it a light steam. Wash only when it is truly dirty. For interlined wool suits with a dry-clean label and fine wool, take them to a professional dry cleaner. For suits whose label allows hand washing, the seven steps above are enough. If there is only a small stain, treating it locally with a damp cloth is usually safer than washing the whole jacket.
Mistakes that ruin a suit when hand washing
- Soaking overnight. The interlining weakens and the cloth loses its shape.
- Hot water. It shrinks the fibres and loosens the interlining.
- Rubbing or wringing. It leaves permanent creases at the lapels and shoulders.
- Drying in harsh sun. The colour fades and the fibres turn brittle.
- Using a small hanger. The shoulders sag.
- Washing with other colours. Colour can bleed onto the suit.
- Ironing directly on the cloth at high heat. The shine on the cloth cannot be restored.
Tips from Mon Amie's master tailor
Hand washing is most effective for treating stains on the spot, not for soaking the whole jacket. With a made-to-measure suit, do not wash the whole jacket yourself; ask the tailor. If you do not yet have a wide-shoulder hanger, read the article on suit hanging accessories and shoulder hangers.
Frequently asked questions
Can you wash a suit by hand?
Yes, for a suit whose label allows water washing, with a thin interlining and not a canvassed wool cloth. For a made-to-measure wool suit, a silk-lapel suit or a tuxedo, you should dry-clean to avoid damaging the interlining.
What is the right way to wash a suit jacket?
Check the label, treat stains, hand wash in cold water with a gentle detergent, soak briefly, rinse clean, press out the water with a towel and dry on a wide-shoulder hanger in an airy place. Do not use a washing machine or a dryer.
How do you wash a suit with just a coffee or oil stain?
Blot immediately with a dry cloth, without rubbing. Then dab with a damp cloth and a drop of mild soap, working from the outside in. Oil stains are difficult, so take the suit to a dry cleaner early.
Can fabric softener be used on a suit?
It is not advisable. Softener leaves a film on the fibres that can make the cloth stuffy and shiny. Rinsing clean in cold water is enough.
What if the suit shrinks or creases after washing?
Steam-iron lightly from the inside with a cloth over it, and reshape the shoulders and lapels on a wide-shoulder hanger. If the jacket has clearly shrunk or the interlining has come loose, take it to a professional rather than trying to fix it at home.
Keep your suit lasting longer
Hand washing a suit is only a fallback for when it is needed; the surest way to make a suit last is to limit water washing and keep the jacket in good condition. The article how to wash a suit at home lists more things you can do between washes. And if you want advice on fabric and care for a new made-to-measure suit, visit a Mon Amie showroom to ask the master tailor directly.