How Should a Leather Jacket Fit? Shoulder, Chest, Sleeve and Length Guide

Short answer: a leather jacket fits when the shoulder seam sits on the point of your shoulder, the sleeve ends at your wrist bone with your arm hanging down, you can zip it over one layer without the front pulling, and the hem sits at your belt. Leather relaxes a little with wear but it does not stretch a size, so buy the size that fits now.

The five checkpoints

1. Shoulders

The seam where the sleeve joins the body should sit on the bony point of your shoulder. If it sits inside, the jacket is too small and the sleeves will bind when you reach forward. If it drops onto your upper arm, the jacket is too big and no amount of tailoring fixes a dropped shoulder. This is the one measurement that cannot be adjusted afterwards, so get it right first.

2. Chest

Zip the jacket fully over what you will normally wear under it. You should be able to slide a flat hand between the zip and your chest. Horizontal pull lines across the front mean it is too tight; vertical folds hanging off the chest mean it is too loose.

3. Sleeves

With arms at your sides, the cuff should end at the wrist bone. Biker jackets run slightly longer by design because your arms are extended on a bike. Bend your elbow: the cuff should not ride up past the wrist.

4. Length

A biker or café racer ends at the belt line and shows a strip of shirt when you raise your arms. A bomber sits the same or slightly lower. A coat is a different garment and is measured from the collar seam to the hem you want.

5. Movement

Cross your arms in front of you and reach for the ceiling. Tightness across the back is normal in cowhide for the first few weeks and will ease; tightness in sheepskin will not change much, so it should feel right on day one.

How leather changes with wear

Cowhide softens and takes on the shape of your body over about a month of regular wear, giving up perhaps half a size across the chest and shoulders. Sheepskin is already soft and changes little. Neither leather stretches in length. If a jacket is a full size too small, it will stay too small.

Standard size or custom?

If you are an even size with average proportions, a standard S–4XL will fit. Go custom if you are between sizes, if your shoulders and chest are different sizes, if you are tall or short in the arm, or if you simply want the jacket cut to you. At Leather Taboo custom sizing costs nothing extra; send measurements through the custom order page and see how to measure.

Fit by style

Biker: snug in the chest, short in the body, long in the sleeve.
Bomber: roomier through the body, ribbed cuffs and hem hold it in place.
Café racer: slimmest cut; buy to your measurements, not up.
Coat: measure over a jacket, not a t-shirt.

Frequently asked questions

Should I size up in a leather jacket?

No, unless you are between sizes. Sizing up gives a dropped shoulder that never looks right.

Do men's and women's jackets fit differently?

Yes. Women's cuts are shaped at the waist and shorter in the body; the shoulder and sleeve rules are the same.

Can a leather jacket be altered?

Sleeves and hems can be shortened by a leather tailor. Shoulders and chest cannot be changed in any useful way, which is why a custom cut is worth it if you are an unusual size.

How a Leather Jacket Should Fit