You will need a cable needle.

Finished measurements-
Bust circumference: 37.75( 41.25, 46.25, 50, 53.5, 57, 62, 65.75, 70.5)“ 96(105, 117.5, 127, 136, 145, 157.5 ,167, 179) cm
Finished length: 22.75( 23.5, 24.5, 25.25, 26, 26.75, 27.25, 28, 28.25)” 58(60, 62, 64, 66, 68, 69, 71 ,72) cm

Yarn used - Yarns are held together throughout the project.
Rowan Merino Aria
A - shown in shades 48 Biscuit and 44 Plush - 7(8, 9, 10, 11, 12, 13, 14, 15) balls

Rowan Kidsilk Haze
B - shown in 686 Lustre and 595 Liquer - 3(3, 4, 4, 5, 5, 6, 6, 6) balls