You will need a cable needle.

Finished measurements:
Chest circumference: 36.5(40, 44.5, 47.75, 52.25, 55.75)“ 92.5(101.5, 112.5, 121.5, 132.5, 141.5) cm
Finished length: 26(26.75, 27.5, 28.25, 29.25, 30)” 66(68, 70, 72,74, 76) cm
Sleeve length: 18.5(19.25, 20, 20.5, 20.75, 2075)“ 47(49, 51, 52, 53, 53) cm

Yarn used:
Rowan Island Blend Fine
Shade 103 Wedgewood - 8(9, 10, 11, 12, 13) hanks