The Nature Spun line Brings together three of the most sought-after qualities in a 100% wool, traditional-plied yarn: Softness, value, and a vast array of colors. In fact, with our most recent color additions, the Nature Spun palette has over 60 different shades! Nature Spun yarns are continually a favorite among knitters and weavers. Three different weights-Worsted, Sport, and Fingering. Nature Spun is one of the most versatile three-ply yarns around.