You will need a short size US 13 (9 mm) circular needle for neck or a set of double pointed needles.

Finished measurements:
Bust Circumference:32.25(37, 40.25, 45, 48, 52.75)“ 82( 94, 102, 114, 122, 134) cm
Finished length: 27.75(28, 28.25, 29.5, 30.25, 31)” 69, 71, 73, 75, 77, 79) cm
Sleeve to underarm: 15.25(16.25, 16.25, 16.5, 16.5, 16.5)“ 40(41, 41, 42, 42, 42) cm

Yarn used:
Rowan Big Wool
Cactus 083 - 9(9, 10, 10, 11, 12) balls