You will also need a size US3 (3.25 mm) circular needle at least 48” (120 cm) long for button band.

You will need 6 buttons. Rowan use # RW5030 from Bedecked in the UK.

Finished measurements:
Chest circumference: 17(19, 20.75, 22.75, 24.75, 26.75)“ 43(48, 53, 58, 63, 68) cm
Finished length: Finished length: 26(26.75, 27.5, 28.25, 29.25, 30)” 66(68, 70, 72, 74, 76) cm
Sleeve to underarm: 18.5(19.25, 20, 20.5, 20.75, 20.75)“ 47(49, 51, 52, 53, 53) cm

Yarn used:
Rowan Alpaca Soft DK
A. 212 Marine Blue - 4(4, 5, 5, 6, 6) balls
B. 213 Green Teal - 4(4, 5, 5, 5, 6) balls
C. 201 Simply White - 3(4, 4, 4, 5, 5) balls
D. 211 Charcoal - 93, 3, 3, 3, 4) balls