You will need stitch holders.

You will also need a size US 3 (3.25 mm) circular needle, no more than 16” (40 cm) for the neckband.

Finished measurements
Bust circumference: 34( 38.5, 43, 48.5, 43.5, 57.5, 62, 66, 70.5)“ 86( 97.5, 109, 122.5, 136, 146, 157.5, 16.5, 179) cm
Finished length: 15.25( 16.25, 17.25, 18.25, 19.25, 20.25, 21, 22, 22.75)” 39( 41.5, 44, 46.5, 49, 51.5, 53.5, 56, 58) cm
Sleeve to armhole: 16.75( 17.25, 17.25, 17.5, 17.5, 17.5, 17.5, 17.5, 17.5)“ 42.5, 43.5, 43.5, 44.5, 44.5, 44.5, 44.5, 44.5, 44.5) cm

Yarn used:
Rowan Cotton Glace
Shade 730 Oyster - 10( 10, 11, 11, 11, 12, 12, 12, 13) balls