You will need a cable needle.

Finished measurements:
Chest circumference: 37.5(40.25, 44.5, 48.25, 52, 56)“ 95.5( 102.5, 113.5, 122.5, 132, 142.5) cm
Finished length: 26(26.75, 27.5, 28.25, 29.25, 30)” 66(68, 70, 72, 74, 76) cm
Sleeve to underarm: 18.5(19.25, 20, 20.5, 20.75, 20.75)“ 47(49, 51, 52,53, 53) cm

Yarn used:
Rowan Softyak DK
Shade 255 Albany - 13(15, 16, 18, 20, 21) balls