Medium weight yarns, which include worsted and aran weight yarns, are a popular and versatile choice! Ideal for stitching scarves, shawls, sweaters, afghans, and baby items in knitting, crocheting, and weaving. These CYC #4 yarns work up to a recommended gauge of 16-20 stitches over 4 inches in knitting and 11-14 stitches over 4 inches in single crochet.