You will need 5 buttons. For the multicolored version, Rowan used 1” (25 mm) buttons #TGB4464 zinc colored metal and for the two colored version, #TGB4837 23mm brown corozo. Both are available from the Textile Garden in the UK.

Finished measurements:
Chest circumference: 38.75 (42.25, 46.5, 50.5, 54.5, 58, 62.25, 66.25)” 98.5 (107.5. 118, 128, 138.5, 147.5, 158, 168) cm
Finished length: 26 (26.75, 27.5, 58.25, 29.25, 30, 30.75, 31.5)” 66 (68, 70, 72, 74, 76, 78, 80) cm
Sleeve to armhole: 18.5 (19.25, 20, 20.5, 20.75, 20.75, 21.25, 21.25)” 47 (49, 51, 52, 53, 53, 54, 54) cm

Yarn used: Rowan Felted Tweed
Multicolored Version
A. 177 Clay - 7(7, 8, 9, 10, 11, 11, 12) balls
B. 167 Maritime - 1(1, 1, 1, 1, 2, 2, 2) balls
C. 222 Scarlet - 1(1, 1, 1, 1, 2, 2, 2) balls
D. 216 French Mustard - 1 ball for all sizes
E. 170 Seafarer - 1(2, 2, 2, 2, 2, 2, 2) balls
F. 153 Phantom - 1 ball for all sizes

Two Colored Version
A. 177 Clay - 7 (7, 8, 9, 10, 11, 11, 12) balls
B. 170 Seafarer - 3 (4, 4, 4, 5, 5, 5, 6) balls