You will need a cable needle.

Finished measurements
Bust circumference: 37.5(42, 45.5, 49.75, 53.25, 57.75, 61.25, 65.5, 70)“ 95.5(106.5, 115.5, 126.5, 135.5, 146.5, 155.5, 166.5, 177.5) cm
Finished length: 22.75( 23.75, 24.5, 25.25, 26.25, 27, 27.25, 28, 28.25)” 58(60.5, 62.5, 64, 66.5, 68.5, 69.5, 71, 72) cm

Yarn used:
Rowan Felted Tweed
A. 177 Clay - 96, 7, 7, 8, 8, 9, 9, 10) balls
B. 173 Duck Egg - 1 ball for all sizes
C. 172 Ancient - 2(2, 3, 3, 3, 3, 3, 4, 4) balls

Errata for this pattern can be found by following the link below

https://d1wtanddiqif0k.cloudfront.net/rowan/pattern_corre...