Pattern also includes instructions to knit this as a long-sleeved cardigan (separate Ravelry entry here).

Sizes and yarn Requirements: To fit bust/actual size
32/34” / actual size 35”………….7 balls Denim Tweed DK
36/38” / actual size 39½“……….8 balls
40/42” / actual size 43¼”……….9 balls
44/46” / actual size 47¼“……..11 balls
48/50” / actual size 51¼”……..12 balls
52/54” / actual size 55¼“……..13 balls

Note: The suggested yarns are interchangeable, choose only one for your project. Ball amounts given above are for Denim Tweed DK. If substituting yarn, check yardage.

Sirdar website link: Denim Tweed DK 9372