You will also need a circular needle size US 6 (4 mm) no longer than 16” (40 cm) long for the neck

Finished measurements:
Back width: 25(27, 29, 31, 33)“ 64(68.5, 74, 78.5, 84) cm
Length to shoulders: 32(32.5, 33.5, 34.5, 35)” 81(83, 85, 87, 89) cm

Yarn used:
Rowan Cashmere Tweed
Color 002 Smoke 17(19, 20, 22, 24) balls