You will also need a US 3 (3.25 mm) circular needle at least 40” (100 cm) long

Finished measurements:
Back width:21.5(23.5, 25.5, 27.5, 29.5)“ 55(59.5, 65, 69.5, 75) cm
Total length: 30(30.5, 31.5, 32.5, 33)” 76(78, 80, 82, 84) cm
Sleeve to underarm: 16.5(16.5, 17, 17)“ 42(42,43, 43, 43) cm

Yarn used:
Rowan Cashmere Tweed
Color 007 Camel 21(23, 25, 27, 29) balls