
Medium Yarn 
The Medium Yarn category includes worsted, afghan, and aran weight yarns. Knit gauge for 4 inches of stockinette is 16-20 stitches on US 7-9 needles.
Worsted weight yarn is wonderful for knitting sweaters, scarves, mittens, leg warmers and afghans. Aran and worsted are sometimes used interchangeably but Aran yarns tend to be slightly heavier than worsted yarns.
Yarn brands that are usually found in Category 4:
Cascade Yarns 220 and Superwash 220, Plymouth Encore or Galway, Berroco Ultra Alpaca and Vintage, Ella Rae Classic, Noro Silk Garden just to name a few.
Next blog, we will discuss Categories 3, Light, and 2, Fine.
Yarn Weight Icons