#4 Medium Weight Yarns
Medium or Worsted weight yarn is the most popular yarn weight. Yarns at this weight recommend a stitch gauge of 16-20 stitches to 4 inches. It's great for knitting sweaters, hats, afghans, shawls, mittens, homegoods and much more. This is also a very good weight to use if learning to knit.
Yarn Standards #4 weight