Worsted, 4 ply210 yards (192 meters)100 grams18.0 to 22.0 sts = 4 inchesUS 6 - 8 or 4 - 5mmUS I-9 to K-10/12 or 5.5-6.5 mm100% Superwash Merino WoolMachine washable, gente cycle, cold water, do not tumble, dry flat