Opal Yarn, Classics 4-Ply Sock Yarn - 9064 elegant Self-patterns into stripes as you knit 75% Superwash Wool, 25% Polyamide Weight per Skein: 100 Grams; Length per Skein: 465 Yards (425 meters) Needle Size: 2; Gauge per Inch: 7 Machine or hand wash warm; dry flat