You will need a cable needle.

Finished measurements:
Chest circumference: 44.25( 48.25, 52.25, 56.25, 60, 64, 68, 72, 76.75)“ 112.5( 122.5, 133, 143, 152.5, 162.5, 173, 183, 195) cm
Finished length: 18( 19, 19.75, 20.5, 21.25, 22, 22.5, 23.25, 23.5)” 46( 48, 50, 52, 54, 56, 57, 59, 60) cm
Sleeve seam:12.25( 12.5, 12.5, 13, 13, 13, 13, 13, 13)“ 31( 32, 32, 33, 33, 33, 33, 33, 33) cm

Yarn used:
Rowan Summerlite 4 Ply
Shown in both shades 420 Blushes and 428 High Tides - 7(8, 9, 10, 11, 12, 12, 14, 14) balls