You will also need a size US 3 (3.25 mm) circular needle at least 40” (100 cm) for the finishing.
You may also wish to use a size UD 6 (4.0 circular needle for this project.
You will need a cable needle.

You will also need 3 buttons. Rowan used wooden buttons, approximately 3/4” (2.0 cm).

Finished measurements:
Bust circumference: 40( 44, 48.25, 52, 56.75, 60.5, 64, 68.25, 71.75)“ 101.5( 112, 122.5, 132, 144, 153.5, 162.5, 173.5, 182.5) cm
Finished length: 17.25( 18, 19, 20, 20.5, 21.5, 21.75, 22.75, 22.75)” 44( 46, 48, 50.5, 52, 54.5, 55, 57.5, 58) cm
Sleeve seam (dropped armhole): 15.75( 16.25, 16.25, 16.5, 16.5, 16.5, 16.5, 16.5, 16.5)“ 40(41, 41, 42, 42, 42, 42, 42, 42) cm

Yarn used:
Rowan Alpaca Soft DK
Shade 217 Naples Blue - 10(11, 12, 14, 15, 16, 18, 19, 20) balls