
What wool to use to knit a fall sweater 🍂
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Fall is the perfect season to debut a new hand-knitted sweater. The days are getting cooler, and we need warmer clothes, but we're not yet looking for the thickest winter yarns. If you're thinking of knitting a fall sweater, choosing the right yarn is key to achieving a comfortable, warm, and durable garment.
In this article, we'll tell you the best options in terms of thickness, composition, and colors , with examples of skeins you can find in our Idealium store.
1. Recommended thickness for autumn
For a mid-season sweater, it is ideal to work with DK (Double Knitting), Sport or even light Worsted weight yarns.
- Sport (2.5 – 3.5 mm needle) : for thinner, breathable jerseys, perfect for wearing with T-shirts underneath.
- DK (3.5–4.5 mm needle) : The most versatile weight for autumn; it allows for lightweight yet full-bodied garments.
- Light worsted (4.5 – 5 mm needle) : provides more warmth, ideal for cold November days.
👉 At Idealium you'll find balls of yarn in these thicknesses here:
2. Composition: wool, cotton or blends
The wool composition will influence the warmth, breathability, and softness of your sweater. These are the most recommended options for fall:
- Premium acrylic : lightweight, soft, and easy to care for. Ideal for everyday use and frequently washed garments. Example: Rubi Campiña Yarn , an acrylic for lightweight garments.
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Merino wool : Provides warmth and softness without being heavy. Perfect for cozy sweaters. Example: Idealium Merino Luxe , a 100% merino wool.
- Cotton blend : For those who don't tolerate wool well or prefer a cooler feel. In autumn, it's used in combination with acrylic or viscose to add body. Example: Rubi Bruma Ball , a cotton and viscose fiber with a light, shiny finish.
- Mohair and silk/acrylic blends : These provide a lightweight, airy, and warm finish. A stylish option if you're looking for a sweater with a fluffy texture. Example: Idealium Etherea, a wool and mohair blend with a soft, fluffy finish.
3. Trendy shades for autumn 🍁
Color is as important as the fiber. In autumn, warm, natural tones that evoke the season are popular:
- Earth tones : ochre, camel, beige, soft browns.
- Reddish and burgundy : intense colors that combine with jeans and basics.
- Olive and forest greens : very trendy this year.
- Timeless neutrals : light grey, pearl and off-white, perfect for basic sweaters.
👉 At Idealium, you'll find skeins in these shades. Some examples are:
- Ruby Suspiria ball , cotton and linen blend with curly texture.
- Rubi Super Cotton ball , 100% cotton in a wide range of colors.
- Rubi Combo ball , a wool and acrylic blend with a gradient in autumnal tones.
4. Final tips for choosing your fall wool
- If you are a beginner : choose an acrylic ball like Rubi Campiña ; it doesn't deform and is very easy to practice on.
- If you want a warm and light sweater : opt for merino wool or mohair, like our Etherea .
- If you are looking for a mid-season sweater : try cotton and blends such as Super Cotton .
✨ At Idealium , we have all these skeins available, so you can find the one that best suits your style and project. Discover our full collection in the Skeins section of the store.