You will need both a size US 4 (3.5 mm) circular needle, no more than 16” (40 cm) long and a set of 4 double-pointed needles.

Finished measurements:
Chest circumference: 20..25(21.25, 23.25, 24.25)“ 51.5(54, 59, 61.5) cm
Finished length: 8.75(9.75, 10.5, 11.25)” 22.5(24.5, 26.5, 28.5) cm
Sleeve extension: 5(5.5, 6, 6.25)“ 13(14, 15, 16) cm

Yarn used:
Rowan Baby Cashsoft Merino
Shade 122 Piglet - 2(2, 3, 3) balls