Pattern has option for short or long sleeves.

Sizes:
0-6m (16”/40.5cm), 6-12m (18”/43cm),
12-24m (20”/45.5cm), 24-36m (23”/48cm)

Actual chest:
0-6m - 20”/51cm
6-12m - 22”/56cm
12-24m - 24”/61cm
24-36m - 27”/69cm

Stocking stitch, single button cardigan with garter stitch on yoke. Neck edge is crocheted.