You will also need 3 buttons. Rowan used # BN1116 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: 8.5(9.25, 10.25, 11, 11.75, 12.5, 13.25)” 21.5(23.5, 26, 28, 30,32, 33.5) cm
Sleeve to underarm: (6.25, 6.75, 7.5, 8.25, 9.25, 10.25)“ 13(15, 17, 19, 21, 23.5, 26) cm

Yarn used:
Rowan Baby Cashsoft Merino
Taupe 104 - 393, 3,4 ,4, 5, 5) balls