You will also need a Size US 7 (4.5 mm) circular needle at least 47” (120 cm) long, plus a cable needle and a stitch holder

Finished measurements:
Back Width:22.5(23.5, 25, 26, 27.25, 28.25)“ 57(60, 63.5, 66, 69, 72) cm
Finished length: 33.25(34.25, 34.75, 35, 35.5, 35.75)” 86(87, 88, 87, 80, 81) cm
Length of dropped sleeve: 17.75(18, 18, 18.5, 19, 19.25)“ 45(46, 46, 47, 48, 49) cm

Yarn used:
Rowan Kid Classic
Drought 876 - 14(14, 15, 15, 16, 16) balls