How to Knit a Classic Cable Sweater: Moss Theory

Moss Theory is a classic cable knit sweater: a straight silhouette, a smooth stockinette body and a single cable running down the centre front, finished with a high ribbed neck. The plain background is what makes the cable stand out and gives the piece its timeless look. In this video we knit the whole thing — body, sleeves, neckline and the cable technique.

What you’ll be knitting

  • Silhouette: straight, classic, without excess ease.
  • Level: intermediate. Stockinette, ribbing, decreases, increases and cables.
  • Detail: a single centred cable on a plain ground — the easiest way to start with cables.

Materials

Yarn — in the video we use BeMe by The Woolcatcher — circular needles, a cable needle, stitch markers and a tapestry needle. Here is the natural yarn collection.

How the sweater is built

  1. Ribbed hem. Start at the bottom with a few rounds of ribbing.
  2. Stockinette body with the cable centred on the front.
  3. Cable. The crossing repeats every set number of rows; always keep the same direction.
  4. Sleeves. Increases spread out until you reach the final width.
  5. High collar. Ribbing, bound off in pattern.

Common mistakes

  • Losing the cable rhythm. Note which row the crossing falls on, or use a marker — the most common slip.
  • Changing the crossing direction. Holding the cable needle in front one time and behind the next visually breaks the cable.
  • Ignoring the swatch. On a straight-cut sweater the fit depends entirely on tension. Knit 10x10 cm first.

Frequently asked questions

How long does it take to knit?

It is a several-session project. Chunky yarn moves much faster than fine yarn.

Can I make it oversized?

Yes, by adding stitches to the body. If you’d rather start from a design built that way, knit the Soft Division.

Do cables use much more yarn?

Yes — cables pull the fabric in widthwise and use considerably more than plain stockinette. Buy with margin.

Keep learning

Full Project Tutorials Knitting Tutorial

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Yarn and Tools from the Video Tutorials