You will need 7 buttons , approximately 5/8” (15 mm). Rowan used shell buttons from Textile Garden in the UK.

Finished measurements:
Bust circumference: 31.5 (35.75, 39.75, 43, 47.25, 51.5, 55.5, 58.75, 63.5)“ 80 (90.5, 101, 109.5, 120, 130.5, 141, 149.5, 161.5) cm
Finished length: 20 (20.75, 21.25, 22.25, 22.75, 23.5, 23.75, 24.25, 24.5)” 50.5 (52.5, 54, 56.5, 58, 59.5, 60.5, 61.5, 62.5) cm
Sleeve seam: 17.75 (18, 18, 18.5, 18.5, 18.5, 18.5, 18.5, 18.5)“ 45 (46, 46, 47, 47, 47, 47, 47, 47) cm

Yarn used:
Rowan Pebble Island
A. 030 Undyed - 6 (6, 7, 7, 8, 9, 10, 10, 11) hanks
B. 027 Rockhopper - 2 (2, 3, 3, 3, 3, 3, 4, 4) hanks
C. 025 Stanley - 1 (2, 2, 2, 2, 2, 2, 2, 2) hanks
D. 020 Marble - 1 (1, 2, 2, 2, 2, 2,2, 2) hanks
E. 023 Tussac - 1 (1, 1, 2, 2, 2, 2, 2, 2) hanks