The Fortissima 4-ply solid-colored sock yarn from Schoeller & Stahl is a true classic for those who appreciate timeless colors and reliable quality. This proven 4-ply sock yarn is ideal for durable, dimensionally stable socks and many other knitting projects.

Thanks to its balanced material blend, the wool is pleasantly soft, durable, and breathable. The wide selection of solid colors makes it perfect for plain socks, color combinations, cuffs, or for combining with gradient yarns.

Whether for everyday socks, children's stockings, or delicate accessories – Fortissima Uni 4-ply is easy to work with, low-maintenance, and, of course, machine washable. A reliable sock yarn for every project.