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Guide

Contiguous Method: Top-Down Set-In Sleeves

The look of a set-in sleeve, knit top-down in one piece: two increase phases, no seams to sew.

Sweater knitted with the contiguous method

The contiguous method, developed by Susie Myers, is a way of knitting top-down sweaters with a shoulder that looks like a set-in sleeve – without sewing a seam.

Source: Ravelry — Contiguous by Susie Myers. She describes the method herself as a way of knitting the shoulder seams and sleeve caps from the top down in one continuous row from the start; first published March 2013.

Instead of traditional raglan, where you increase evenly on all four marker points, the contiguous method uses two separate increase phases: first a horizontal shoulder increase, and then a vertical sleeve cap increase. The result is a naturally sloping shoulder line and a shaped sleeve cap reminiscent of set-in sleeves.

We'd reach for the contiguous method for:

  • Fitted sweaters – where the fit around the shoulders matters most
  • Classic pullovers – with a clean, horizontal shoulder line
  • Anyone who wants to avoid seams – knitted entirely in one piece top-down

A Norwegian version of this page is available on Strikketips.no

What you need

The contiguous method doesn't require a lot of extra equipment, but a few tools are essential for keeping track of the different increase phases.

Circular needle Long enough to hold all the stitches. We like a flexible cable.
Stitch markers – 2 colors Four markers in total. Use one color for the shoulder and another for the sleeve, so you don't mix them up.
Tape measure To check the shoulder width along the way against a garment that fits.
Row counter Keep track of the round numbers between increases – especially important in phase 1.
Pen and paper Jot down stitch counts per section after each round of increases.

Which construction method is right for you?

Top-down sweaters can be constructed in several ways. Here is how three of them compare:

Raglan, contiguous and set-in sleeves compared
Method Shoulder line Strengths Things to consider
Raglan Distinct diagonal from neck to sleeve Easy to calculate, suits looser fits; we'd suggest it for a first top-down sweater Limited shoulder shaping
Contiguous This guide Horizontal shoulder line with a shaped sleeve cap Seamless, shaped shoulder line Requires more attention while knitting
Set-in sleeves Rounded, tailored sleeve cap Classic tailored look Body and sleeves are knit separately and seamed together

See the contiguous method in action (video)

Watching it done can make the two phases easier to follow.

Step-by-step guide to the contiguous method

The Contiguous Method in Three Steps
Back Shoulder Front
Step 1 · Phase 1

Shoulder Seam (Shoulder Width)

Increases are worked on the OUTSIDE of the markers (into front and back) on every round. The shoulder stitches between the markers stay the same, which makes the straight shoulder line.

Sleeve cap shapes
Step 2 · Phase 2

Sleeve Cap Shaping

Increases move to the INSIDE of the markers (into the sleeve stitches). This shapes a rounded sleeve cap with the look of a set-in sleeve, knit from the top down.

Sleeve held Sleeve held Body joined
Step 3

Armhole & Separating

Some patterns add a few rounds of increases on both body and sleeves here. Then the sleeve stitches go on waste yarn, underarm stitches are cast on, and the body is joined in the round.

Shoulder increases, then the sleeve cap, then separating at the armhole — worked with M1L/M1R increases on either side of the markers.

  1. 01

    Shoulder Increases (Phase 1)

    You increase on the outside of the shoulder markers on every round until the desired shoulder width is reached. This creates the horizontal line that looks like a shoulder seam. Measure as you knit against a garment that fits you.

    • Place two markers (color A) between the shoulder and sleeve stitches.
    • Increase using M1L and M1R on every round – one on the outside of each shoulder marker.
    • Measure the shoulder width regularly. Stop once you reach the target measurement.
  2. 02

    Sleeve Cap (Phase 2)

    Once the shoulders are wide enough, the increase pattern changes. Now you increase on the inside of the markers, typically every other round. This creates the sleeve cap, which grows down the arm and shapes itself over the shoulder.

    • Place two new markers (color B) on the inside of the sleeve stitches.
    • Increase M1L and M1R on the inside of each marker, every other round.
    • Continue until the sleeve cap is deep enough for comfortable arm movement.

    Some patterns combine phase 2 with a few raglan-like rounds toward the end to add extra width under the arm.

  3. 03

    Armholes and separating

    When the sleeve cap is deep enough, the yoke is completed. Many patterns add a few extra rounds where increases are worked on both the body and sleeves to ensure a comfortable fit under the arm. Then, underarm stitches are cast on, and the work is separated into the body and sleeves.

    • Place the sleeve stitches on waste yarn or stitch holders.
    • Cast on new stitches under the arm (cast on) to connect the front and back of the body.
    • Knit the body stitches and continue working the body in the round.
    • Return to the sleeve stitches and work the sleeves separately down to the cuffs.
Why two phases?
The two phases are what give the set-in look. Phase 1 spreads the shoulder flat – just like a sewn shoulder seam. Phase 2 builds the sleeve cap downward, which gives a rounded shape around the shoulder. The result has the tailored shoulder line of a set-in sleeve, which a raglan does not give you — without sewing a seam.

Tips for smooth transitions and neat stitch pickup

The underarm transition is often where a contiguous sweater can look a bit messy. What we do about it:

Close up the underarm hole
Cast on one extra stitch at each end of the underarm cast-on, and knit/purl it together with the neighboring stitch on the next round. In our experience this closes the "hole" that easily forms at the separation point.
Use color-coded markers
Use locking stitch markers in different colors – one color for the shoulder markers (phase 1) and another for the sleeve markers (phase 2). It's easy to mix them up when switching phases.
Try on the garment before separating
Try the sweater on before separating the work into the body and sleeves. That is a big part of the point of knitting top-down – you can adjust the shoulder width while it's still easy to rip back a few rounds.
Use M1L and M1R
We work the increases as M1L and M1R (left- and right-leaning increases) rather than a backward loop, so the increase lines mirror each other on each side of the markers.

Common mistakes – and how to avoid them

Not switching increase pattern in time
The mistake we'd watch for first is continuing to increase on the outside of the markers (shoulder increases) for too long, causing the shoulders to become too wide before the sleeve cap has room to be shaped.

Solution: Measure the shoulder width against a sweater you know fits, before switching to phase 2.
Asymmetrical shoulders
This usually happens when you lose track of the rounds between increases.

Solution: Note down the round number every time you complete an increase round, or use a physical row counter.
Skipping the gauge swatch
Because the contiguous method relies on precise increase frequencies to hit the correct shoulder width, your stitch gauge decides whether you get there.

Solution: Always knit a swatch and wash it before casting on.
Forgetting to record increase points
Since contiguous has multiple simultaneous increase zones, it is easy to lose track of your progress.

Solution: Write down exactly how many stitches you have increased on each side after each phase, and mark it clearly in your pattern notes.

Ready for the next challenge?

If your sweater ends in ribbing at the hem and cuffs, Italian bind-off is the stretchy finish we'd use on 1x1 and 2x2 ribbing.

  • Stretchy edge
  • For ribbed hems and cuffs
  • Step-by-step with video
Learn Italian Bind-Off →

Frequently asked questions about the contiguous method

Is the contiguous method hard to learn?

The method requires some focus on the first few rounds, but once you understand the logic behind the two increase phases, it is relatively straightforward to knit. We'd try it on a small test piece before a full sweater.

Can I use the contiguous method on any pattern?

You can adapt many top-down patterns, but it requires a fair amount of calculation if the pattern was originally written for raglan or a round yoke. There are patterns written specifically for the contiguous construction, and those are easiest to start with.

What is the difference between contiguous and raglan?

Raglan increases evenly on all four marker points, creating a distinct diagonal line from neck to sleeve. Contiguous, on the other hand, uses two separate increase phases: first increasing horizontally on the outside of the shoulder markers (phase 1), then increasing on the inside to shape the sleeve cap itself (phase 2). The result looks like a set-in sleeve but is worked in one piece.

How many stitch markers do I need?

You need four stitch markers in total – two for the shoulder increases and two for the sleeve increases. We use two different colors so we can tell the shoulder and sleeve markers apart when changing the increase pattern.

What do I do if the shoulders become too wide?

Measure the shoulder width along the way against a garment you know fits you. Since you are knitting top-down, you can rip back a few rounds and start phase 2 earlier. That is one of the advantages of knitting top-down: you can adjust as you go.

Do I need a gauge swatch for the contiguous method?

Yes. The method uses set increase frequencies to reach the shoulder width and armhole depth, so if your gauge is off, the shoulders will be off too.

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