You will also need a size 2.5 US (3 mm) circular needle at least 32(32, 32, 32, 36, 36)’ 70(70, 70, 80, 80, 90, 90) cm long for the front band.

You will also need 3 buttons. Rowan used # 1365/30 from Bedecked in the UK.

Finished measurements:
Chest circumference:
20.25(21, 22.5, 23, 23.5, 24.25, 25.5)“ 52(53.5, 57, 58.5, 60, 61.5, 65) cm
Finished length: 7.75(8.75,9.5, 10.25, 11, 12, 12.5)” 20(22, 24, 26, 28, 30.5, 32) cm
Sleeve to armhole: 5(6, 6.75, 7.5, 8.25, 9.25, 10.25)“ (15, 17, 19, 21, 23.5, 26) cm