Superwash wool has been treated so it can be machine washed without felting. The best-known industrial method alters the fibre's surface scales with chlorine and then adds a thin polymer resin, so the scales cannot lock together; chlorine-free processes also exist. Alize Superwash Artisan (75% superwash wool, 25% polyamide, 420 m per 100 g) and Gazzal Merino Boucle (100% superwash Australian merino) are examples in this collection.

Yes, superwash yarn is made for machine washing, usually on a wool or gentle cycle; check the ball band for the exact temperature. Tumble drying is a different matter: some labels allow a low setting, but many recommend drying flat, because heat and the weight of wet fabric can stretch it. Sock yarns such as Alize Superwash Comfort Socks (75% superwash wool, 25% polyamide) are designed for regular washing, which makes hand-knitted socks practical for everyday wear.

Yes, superwash wool is less elastic than untreated wool and often grows when wet, especially in heavier garments. To avoid surprises, wash and dry your swatch before measuring gauge, consider knitting a slightly firmer fabric, and never hang the piece to dry. Blends with polyamide, such as Alize Wooltime (75% superwash wool, 25% polyamide, 200 m per 100 g), add strength and durability, which is why they are common for socks.

No, superwash wool is treated specifically to resist felting, so it will not shrink into a dense felt even in a hot wash. For felted bags, slippers or bowls, choose untreated wool and make sure the ball band does not say superwash. The upside is that superwash pieces, such as socks knitted in DROPS Fiesta (75% wool, 25% polyamide), go through the washing machine without the risk of accidental felting.

Yes, it is one of the most practical choices for children's knits, because it keeps wool's warmth and breathability but copes with frequent machine washing. DROPS Fiesta (110 m per 50 g, 4 mm) is suggested for kids' projects and socks, and Alize Superwash Artisan works well for small socks and light garments. Both are OEKO-TEX certified. Order all the yarn for one garment at once so it comes from a single dye lot.

Superwash wool usually feels smoother and silkier, with more drape and often a slight sheen, and it takes dye in bright, saturated colours. On the other hand, it has less spring and loft than untreated wool, and some knitters find it a little less warm. That makes it great for socks, shawls and flowing cardigans, while untreated wool suits structured, cabled sweaters. Gazzal Marilyn & Merinos blends superwash merino with polyamide for a soft, easy-care option.