How to Iron a Suit Jacket: Step-by-Step

What You’ll Need

Iron (preferably with steam function)
Ironing board
Clean, white cotton cloth (pressing cloth)
Spray bottle with water (optional)
Suit hanger
Clothes brush or lint roller (optional)

Step-by-Step

Check the care label – Look inside the jacket for fabric content. Wool, cotton, linen, and blends each tolerate different heat levels. If the label says “do not iron,” use a steamer or take it to a professional. Set your iron to the recommended temperature (usually low to medium for wool).
Prepare the jacket – Empty all pockets and brush off any dust or lint. Close the front buttons and lay the jacket flat on the ironing board with the back facing up. Smooth out wrinkles with your hands.
Test on an inconspicuous area – Fold the hem inside and press a small area with the pressing cloth and iron. Check for any color transfer or shine. If the fabric looks damaged, stop and use a steamer instead.
Iron the back panel – Place the pressing cloth over the back of the jacket. Glide the iron gently over the cloth, moving in straight lines from the collar down. Do not press hard or hold the iron in one spot. Use steam if needed, but keep the iron moving.
Iron the sleeves – Insert a rolled towel or the narrow end of the ironing board into a sleeve to create a flat surface. Lay the sleeve flat, cover with the pressing cloth, and iron from the shoulder to the cuff. Rotate the sleeve to iron all sides. Avoid pressing over the shoulder pad area; just smooth it lightly.
Iron the front panels – Turn the jacket so the front is facing up. Iron each front panel (left and right) using the pressing cloth, moving from the lapels down to the hem. Be careful around buttons – iron around them, not over them, to avoid melting or cracking.
Press the lapels and collar – Lay the lapels flat and iron them with the pressing cloth, following their natural fold lines. For the collar, place it flat and press from the center outward. Do not fold or crease the lapels – just smooth them.
Hang and cool – Hang the jacket on a sturdy suit hanger immediately after ironing. Let it cool completely before wearing or storing. This helps the fibers set and prevents new wrinkles.

Common Mistakes

Using too high heat – This can melt synthetic fibers or cause wool to become shiny and stiff.
Ironing without a pressing cloth – Direct contact with the iron can leave shiny marks, especially on dark fabrics.
Pressing too hard – Heavy pressure flattens the natural texture and can create unwanted creases.
Ironing over buttons – Buttons can melt or crack under the hot iron.
Leaving the iron in one spot – This can scorch the fabric or cause permanent discoloration.
Ironing a dirty jacket – Dirt and oils get baked into the fabric, making them harder to remove.

Tips

Use a steamer instead of an iron for most suit jackets – it’s gentler and less likely to cause shine.
If you must iron, always use a pressing cloth – even a clean cotton handkerchief works.
Iron the jacket inside out for extra protection against shine.
For stubborn wrinkles, lightly mist the area with water before ironing.
Never iron a wet jacket – let it dry completely first.
Store the jacket on a wide hanger to maintain shoulder shape.

Troubleshooting

Shine marks appeared – Place a damp cloth over the shiny area and gently steam it, then brush with a soft clothes brush. If that doesn’t work, take it to a dry cleaner.
Fabric smells burnt – Remove the jacket from the iron immediately. If the smell is strong, the fabric may be scorched – consult a professional cleaner.
Creases won’t come out – Re-wet the area with a spray bottle, cover with a cloth, and iron again with more steam. If it’s still stubborn, let it cool and repeat.
Iron left a mark from a button – Try gently rubbing the area with a soft cloth. If the mark remains, a dry cleaner may be able to fix it.
The jacket looks flat or lifeless – Use a steamer to add moisture back, then brush the fabric gently to restore the nap.

Frequently Asked Questions

Can I iron a suit jacket with a regular iron?

Yes, but you must use low heat and a pressing cloth. A steam iron is better than a dry iron.

What temperature should I use for a wool suit jacket?

Set the iron to the wool setting (usually medium) and always use a pressing cloth. If unsure, start on the lowest heat and test an inconspicuous area.

How do I remove shiny marks from ironing?

Place a damp cloth over the shiny area, steam it lightly, and brush with a soft brush. If that fails, professional dry cleaning may help.

Is it better to steam or iron a suit jacket?

Steaming is safer for most suit jackets because it doesn’t apply direct pressure and avoids shine. Use a handheld steamer or hang the jacket in the bathroom during a hot shower.

Can I iron a suit jacket inside out?

Yes, ironing inside out is a good way to protect the outer fabric from shine and heat damage. Just be careful around seams and linings.

How often should I iron my suit jacket?

Only iron when necessary – frequent ironing can wear down the fabric. Between wears, hang the jacket properly and use a steamer to refresh it.

Sources: The Drycleaning & Laundry Institute. Menus and buttons can differ slightly by version. Spotted something out of date? Tell us.