You will need a cable needle.

Finished measurements:
Bust circumference: 37.5(41.25, 45.5, 49.5, 53.75, 57, 61.25, 64.25, 69)“ 95(105, 115.5, 126, 136.5, 145, 155.5, 166, 175) cm
Finished length: 21.25(22, 22.75, 23.5, 24.5, 25.25, 25.5, 26.5, 26.75)” 54(56, 58, 60, 62, 64, 65, 67, 68) cm
Sleeve length: 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 Alpaca Classic
Shade 115 Snowflake White - 8(9, 10, 11, 12, 13, 14, 15, 16) balls