Opal Yarn, Regenwald XI (Rainforest 11) 4-Ply Sock Yarn - 8972 Justus - der Zeuge 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