Cascade Yarns 220 Superwash Sport Yarn - 0813 Blue Velvet is a 100% Superwash Merino Wool yarn with a gauge of 5.5 stitches per inch. It weighs 50 grams and is 100% wool. The yarn is available in various colors and sizes, with a DK (21-24 stitches/4 inches) and Sport (23-26 stitches/4 inches) yarn weight range. Each ball contains 136 yards of yarn.