The Fortissima 4-ply Sock Yarn in Solid Colors by Schoeller & Stahl is a true classic for anyone who values timeless colors and reliable quality. The proven 4-ply sock yarn is ideal for durable, shape-retaining 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 Solid 4-ply is easy to work with, low-maintenance, and, of course, machine washable. A reliable sock yarn for every project.