Yarn is held double throughout.

You will need five buttons. Rowan used #RW5019 from Groves & Banks.

Finished measurements:
Back width: 17.5(19.5, 21.5, 23.5, 25)“ 44(49.5, 54, 59.5, 64) cm
Total length: 23(23.5, 24.5, 25, 26)” 58(60, 62, 64, 66) cm
Sleeve to underarm: 17.5(17.5, 18, 18, 18)“ 45(45, 46, 46, 46)”

Yarn used:
Rowan Valley Tweed
A. 102 Littondale - 6(7,7,8,9) hanks
B 110 Janet’s Foss - 6(7,7,8,9) hanks