You will need a cable needle.

You will also need a size US 2/3 (3.0 mm) circular needle

Finished measurements:
Chest circumference: 43.25( 47.25, 51.25, 55, 59, 63, 67, 70.75, 75.5)“ 110( 120, 130, 140, 150, 160, 170, 180, 191.5) cm
Finished length: 25( 25.75, 26.75, 27.25, 28.25, 29, 29.5, 30, 30.5)” 63.5( 65.5, 68, 69.5, 71.5, 73.5, 75, 76.5, 77.5) cm
Sleeve seam: 17.25( 17.75, 17.75, 18, 18, 18, 18, 18, 18)“ 44( 45, 45, 46, 46, 46, 46, 46, 46) cm

Yarn used:
Rowan Summerlite 4 Ply
A. 436 Ecru - 8(9, 9, 10, 11, 12, 12, 13, 14) balls
B. 443 Vintage Claret - 1 ball for all sizes
C. 449 Pickle - 1 ball for all sizes
D. 442 Coral Blush - 1 ball for all sizes