You will need a cable needle

Finished measurements:
Back width - 23.25( 25.25, 27.25, 29.25, 31)“ 59(64, 69, 74, 79) cm
Finished length - 28.25(29.25, 30, 30.75, 31.25)” 72(74, 76, 78, 80) cm
Sleeve to underarm: 17.75, 17.75, 18, 18, 18)“ 45(45, 46, 46, 46) cm

Yarn used:
Rowan Moordale
#002 Pepper - 7(8, 8, 9, 10) hanks