You will also may wish to use two long double pointed needles, size US 3 (3.25 mm) to work the buttonholes in the button band.

You will need 5 buttons. Rowan used #TGB4915 coca shell 18mm (.75”) from Textile Garden in the UK

Finished measurements:
Chest circumference: 36( 39.25, 44, 48.25, 51.75, 56., 59.75, 64, 67.5)“ 91.5( 101, 111.5, 122.5, 131.5, 142.5, 151.5, 162.,5 171.5) cm
Finished length: 19( 19.75, 20.5, 21.25, 22, 22.25, 23.25, 24, 25.5)” 48( 50, 52, 54, 56, 58, 59, 61, 62) cm
Sleeve seam: 17.25( 17.75, 17.75, 18, 18, 18, 18, 18, 18)“ 44( 45, 45, 46, 46, 46, 46, 46, 46) cm

Yarn used:
Rowan Alpaca Soft DK
A. 220 Autumn Gold - 5(6, 7, 7, 8, 9, 9, 10, 11) balls
B. 211 Charcoal - 3(4, 4, 5, 5, 5, 6, 6, 6) balls
C. 210 Rainy Day - 4(4, 4, 5, 5, 6, 6, 6, 7) balls