Wool, cotton, acrylic, alpaca and more — compared side by side.
| Fiber | Warmth | Durability | Care | Best for |
|---|---|---|---|---|
| Wool | High | High (with care) | Hand wash / lay flat, unless superwash | Sweaters, hats, mittens, cold-weather wear |
| Cotton | Low | Very high | Machine washable | Dishcloths, summer tops, bags, amigurumi |
| Acrylic | Medium | High | Machine washable | Blankets, baby items, budget-friendly projects |
| Alpaca | Very high | Medium | Hand wash / lay flat | Luxury scarves, cowls, cold-weather accessories |
| Bamboo / Rayon | Low | Medium | Hand wash recommended | Drapey garments, warm-weather wear, sheen finish |
| Wool-Acrylic Blend | Medium-High | High | Often machine washable | Everyday garments needing warmth + easy care |
| Cotton-Acrylic Blend | Low-Medium | High | Machine washable | Amigurumi, baby items needing structure + softness |
Fiber content affects everything about a finished piece — how warm it is, how it drapes, how it wears over time, and how you'll need to wash it. Natural fibers like wool and alpaca offer superior warmth and stitch memory but often need gentler care, while synthetics like acrylic are durable, budget-friendly, and machine washable. Blends aim to combine the best of both. Match the fiber to the project's purpose as much as to the color or price.
What is the best yarn fiber for beginners?
Acrylic is a popular beginner choice — it is affordable, machine washable, comes in many colors, and its stitch definition makes it easy to see your stitches clearly while learning.
What yarn fiber is best for baby items?
Soft, machine-washable fibers like acrylic, cotton, or superwash wool work well for baby items, since they need to withstand frequent washing and shouldn't irritate sensitive skin.
Why does wool felt and other fibers don't?
Wool fibers have microscopic scales that lock together under heat, moisture and agitation, causing felting. Superwash wool is treated to prevent this, while plant fibers like cotton and synthetic fibers like acrylic do not felt at all.