You will also need 5 buttons. Rowan used # BN1533 from Bedecked in the UK.

Published as Casual Chic Cardigan in Simply Knitting.

Finished measurements:
Back width: 20.5(22.5, 24.5, 26.5, 28.5)“ 52.5(57, 62.5, 67 ,72.5) cm
Finished length: 28(28.5, 29.5, 30.5, 31)” 71(73, 75, 77, 79) cm
Sleeve to underarm: 17.5” for all sizes 44(44, 45, 45, 45) cm

Yarn used:
Rowan Alpaca Soft DK
A. Trench Coat - 202 9(10, 11, 12, 13) balls
B. Classic Brown - 240 - 3 balls for each size.