PREMIER YARNS: Wool-Free Sock Yarn. No scratchy wool? No problem. Wool-Free Sock is a self-patterning acrylic-based sock yarn plied with a strand of strengthening PBT which helps make your socks last. With deep saturated color and a fun-to-knit striping pattern; this soft-to-the-touch yarn will add spring to the step in your socks. Weight category: 2. Content: 93% acrylic; 7% PBT. Put-up: 1.7oz/50g; 235yd/215m. Knitting gauge: 32st x 42 r = 4in/10cm on US-2/2.75mm needles. Crochet gauge: 26sc x 26r = 4in/10cm with US-4/E/3.5mm hook. Care: Machine wash; tumble dry; do not bleach; do not iron. Dyelotted-- we try but cannot guarantee matching dye lots. Imported.