Need hook 2.25 - 3.5mm, or whatever size you need for the correct gauge.

This vintage-inspired sweater has adjustable sizing, shown for a 39” bust. Worked in the round, from the top down, the length and circumference can easily be adjusted for a larger or smaller size. The example uses 5 skeins of TLC Cotton Plus, more would be needed for longer sleeves or larger size and less for a smaller size. You will cast on pr...