You will need a cable needle.

Cable panel (64 sts) measures 7” (18 cm)

Finished measurements:
Bust circumference: 37.75(42.25, 46.5, 50, 54.25)“ 96(107, 108, 127, 138) cm
Finished length:26.75(27.5, 28.25, 29.25, 30)” 68(70, 72, 74, 76) cm
Sleeve to underarm: 17.75(17.75, 18,18,18)“ 45(45, 46, 46, 46) cm

Yarn used:
Rowan Softyak DK
A. 232 Plain - 8(9, 10, 10, 11) balls
B. 230 Cream - 3(3, 3, 3, 4) balls