You will need an extra size US 4 (3.5 mm) knitting needle for the 3-needle bind off. You will also need a size US 3 (3.25 mm) circular needle no longer than 16” (40 cm) for the neck band.

Finished measurements:
Front/Back measurement (straight across, not circumference: 19.25(21.5, 23.5, 25.5, 27.5)“ 49(54.5, 59.5, 64.5, 70) cm
Back length: 25.5(26.5, 27.25, 28, 28.75)” 65(67, 69, 71, 73) cm
Front length: 22.75(23.5, 24.5, 25.25, 26)“ 58(60, 62, 64, 66) cm

Yarn used:
Rowan Baby Cashsoft Merino
Shade 121 Nutkin - 8(9, 10, 11, 12) balls