100% Superwash merino wool yarn 408 yards/118 grams Fingering weight recommended needle range 0-3 approx 7-9 stitches to the inch. Soft and fluffy with a nice twist, perfect for next to the skin clothing including socks and baby items. While this is machine washable in cold water on a gentle cycle, we always recommend hand washing in cold water to extend the life and color of your finished item.