You will need a cable needle.

Finished measurements:
Bust circumference: 38.75(42.25, 46, 49.5, 53.25)“ 98.5(107.5, 117, 126, 135.5) cm
Finished length: 26(26.75, 27.5, 28.25, 29.25)” 66(68, 70, 72 ,74) cm
Sleeve to armhole: 18(18, 18.5, 18.5, 18.5)“ 46(46, 47, 47, 47) cm

Yarn used:
Rowan Cotton Cashmere
Shade 210 Paper - 10(10, 11, 11, 12) balls