What makes cables pop
A cable is simply a group of stitches crossed over another. For that crossing to read clearly, your yarn needs to help in four ways:
- Elasticity and memory. A crimpy fiber like sheep's wool springs back after it is crossed, so the cable stays tall and rounded. A fiber with little memory flattens out with wear.
- Round, plied construction. A yarn twisted from 2, 3 or more plies has a round cross-section and forms well-defined V stitches.
- Stitch definition. A smooth surface with no fuzz lets every stitch show. The halo of a fuzzy yarn fills the gaps between crossings and blurs the design.
- Color. Solid, light shades (cream, oatmeal, light grey) create the light and shadow that make cables stand out. Variegated, multicolor and very dark yarns compete with the texture and hide it.
Which fiber is best for cable knitting
| Fiber | Cable definition | Notes |
|---|---|---|
| Merino | Excellent | Fine, elastic and springy: crisp cables that feel soft. Can pill with friction. |
| Highland wool | Excellent | A little more rustic with plenty of body; in thick weights it gives bold, deeply carved cables. |
| Alpaca-merino blend | Very good | Merino brings elasticity, alpaca brings warmth and silky drape. A great balance for sweaters. |
| Pure alpaca | Soft | Very warm and drapey but not very elastic, and it can develop a halo: cables tend to look softer and the garment may stretch under its own weight. |
| Cotton | Good but stiff | Shows stitches clearly but has no stretch, so crossings are harder work and the fabric is heavy. |
| Mohair | Low | The halo tends to blur cables. Better for airy fabrics than for texture. |
Torn between the two big fibers? Our guide alpaca vs merino compares warmth, elasticity and care.
Yarn weight and needle size for cables
You can knit cables in any weight, but worsted/aran is the most rewarding place to start: crossings are easy to handle and a cable knit sweater does not take forever. Bulky and super bulky yarns give big, graphic cables in very few hours; fine weights (DK or fingering) make delicate cables and lightweight garments.
A useful trick: for crisper cables, try needles 0.5 mm smaller than the ball band suggests. The fabric gets denser and the cables stand firmer. Only do this if your swatch still matches the pattern gauge; if the fabric turns stiff, go back to the recommended size.
Cable needle or no cable needle?
A cable needle holds the crossing stitches in front of or behind the work, and it is the safest option when you are starting out. With elastic, slightly grippy yarns like merino or Highland wool, many knitters cable without one, letting the stitches hang free for a moment. With alpaca or other slippery fibers a stitch can easily run, so a cable needle is the calmer choice.
How much more yarn do cables use?
Crossings pull the fabric in widthwise, so a cabled garment uses more yarn than the same garment in stockinette: roughly 10–25% more, depending on how dense the cables are. Always knit your gauge swatch in the cable pattern (not just in stockinette) and buy with some margin, from the same dye lot.
How to block cables
Wet blocking works best: soak the piece in lukewarm water, press out the water without wringing, lay it flat to the pattern measurements and let it dry. But do not iron or press the cables: heat and weight flatten the texture you worked so hard for.
Our yarns for cables
Our new yarn TWIST, arriving at the end of December, is designed precisely for cables and textures: 40% superfine alpaca, 40% merino wool and 20% Cashtyle (a synthetic fiber), worsted/aran weight, 50 g / 100 m (109 yds), for 4.5–5.5 mm (US 7–9) needles. It combines the warmth and silky hand of alpaca with the elasticity of merino, for sweaters, hats and scarves that keep their shape.
If you want big, bold cables, our chunky Peruvian Highland wool yarns, BeMe (bulky, 100 g / 120 m) and FACES (super bulky, 200 g / 100 m), carve out cables with lots of volume. Take a look at the BeMe collection.
Cable projects to start with
- Cable headband: an afternoon project, perfect for your first crossing.
- Cable hat: full pattern on video.
- Moss Theory cable knit sweater: a classic sweater pattern with a single center cable.
FAQ
What is the best yarn for cables?
An elastic, smooth, plied yarn in a light solid color: merino and Highland wool give the most defined cables.
Can you knit cables with alpaca?
Yes, but in pure alpaca cables usually look softer and the garment can stretch under its weight. Knit a little firmer and choose structured patterns, or use a merino blend.
What needles should I use for a cable knit sweater?
The size on your ball band; for worsted/aran that is usually 4.5–5.5 mm (US 7–9). For crisper cables you can go down 0.5 mm if your swatch still matches gauge.
Why don't my cables show up?
The usual culprits are a fuzzy yarn (mohair, haloed alpaca), a variegated or dark color, or a gauge that is too loose. Try a light solid color and slightly smaller needles.
How much extra yarn do I need for a cable sweater?
Roughly 10–25% more than for the same sweater in stockinette.
