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Technique · Construction

The hand-set sleeve

The one seam that most rewards a person doing it, because it is the one seam that has to be eased.

A sleeve head is cut larger than the armhole it fits into, and the excess has to be distributed, eased, around the curve so the sleeve hangs correctly with no puckers. A machine distributes it evenly; a hand can put more where the arm needs it and less where it does not.

A sleeve being set into an armhole by hand
A sleeve being set into an armhole by hand

Easing

The extra cloth is not a mistake. It is what allows the sleeve to turn forward, following the natural hang of an arm, without pulling at the shoulder. Where that extra goes decides how the sleeve hangs.

Sewn by hand, the maker can concentrate the ease at the front of the sleeve head where the arm rotates, and reduce it at the back. Sewn by machine at constant tension, it distributes evenly, which is neater and less correct.

Reading a sleeve

Stand in front of a mirror with your arms relaxed and look at the sleeve head. A well-set sleeve hangs cleanly with no diagonal pull towards the chest or the blade, and the sleeve itself follows the natural forward hang of the arm rather than dropping straight down.

Diagonal creases radiating from the shoulder seam mean the sleeve is set wrong, or the shoulder is. It is one of the more difficult alterations to correct after the fact, because the sleeve has to come out.

Pitch

The rotation of the sleeve in the armhole is called its pitch, and it is set to match how a particular customer's arm hangs. Most arms hang slightly forward and slightly rotated; a sleeve set straight will twist.

A bespoke tailor sets pitch at the fitting by eye. Ready-to-wear sets it to an average, which is why a jacket that fits everywhere else can still have a sleeve that looks subtly wrong.

At a glance

Purpose
Distributing sleeve-head ease around the armhole
Hand advantage
Ease placed where the arm actually moves
Pitch
The sleeve's rotation in the armhole, set to the wearer's arm
Symptom of error
Diagonal creases radiating from the shoulder seam
Alterable
Yes, but the sleeve must come out

Who works with it

Houses and mills on this site with a documented connection to The hand-set sleeve.

A shoulder with the sleeve head gathered like a shirt 01 Technique

Spalla camicia (the shirt shoulder)

A sleeve set into a jacket the way a sleeve is set into a shirt: inside out, with the fullness gathered.

 A roped shoulder with a raised sleeve head 02 Technique

The roped shoulder

The sleeve head lifted slightly proud of the shoulder line: the opposite decision to the Neapolitan one.

 A paper pattern drawn on brown paper 03 Technique

Pattern drafting

Turning a set of measurements and a look at a body into flat paper shapes. The part that decides everything.

 A navy suit on a valet stand 04 Garment

The suit

A suit is simply a jacket and trousers, sometimes with a waistcoat, made from the same cloth at once so they match exactly.
  1. Pitch (of a sleeve) Glossary term

    The rotation of a sleeve within the armhole, set to match how the wearer's arm hangs. Most arms hang slightly forward; a sleeve set straight will twist.
  2. Armhole Glossary term

    The opening a sleeve is set into. A high, small armhole allows more arm movement, not less, because the sleeve pivots without dragging the body of the coat. Harder to cut and less…
Last reviewed: September 2026 Report an error on this page

Related

Glossary termPitch (of a sleeve) Glossary termArmhole TechniqueSpalla camicia (the shirt shoulder) TechniqueThe roped shoulder TechniquePattern drafting GarmentThe suit TechniqueFull canvas construction TechniqueFused construction TechniqueHow a bespoke commission works TechniqueThe basted fitting TechniqueHalf canvas construction TechniqueTrouser waistband construction
Picture credits 5
  1. A sleeve being set into an armhole by hand: Original art · Il Sartoriale · Il Sartoriale · Il Sartoriale original art
  2. A shoulder with the sleeve head gathered like a shirt: Original art · Il Sartoriale · Il Sartoriale · Il Sartoriale original art
  3. A roped shoulder with a raised sleeve head: Original art · Il Sartoriale · Il Sartoriale · Il Sartoriale original art
  4. A paper pattern drawn on brown paper: Original art · Il Sartoriale · Il Sartoriale · Il Sartoriale original art
  5. A navy suit on a valet stand: Original art · Il Sartoriale · Il Sartoriale · Il Sartoriale original art

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