Sizes: to fit chest / actual measurements
0-3 mo (chest size 16”/41cm) / (18”/46cm)
3-6 mo (chest size 18”/46cm) / (19.75”/50cm)
6-12 mo (chest size 20”/51cm) / (22”/56cm)
1-2 yrs (chest size 22”/56cm) / (24”/61cm)
3-4 yrs (chest size 24”/61cm) / (26”/66cm)
5-6 yrs (chest size 26”/66cm) / (28.25”/72cm), 3-4yrs, 5-6yrs

Yarn Requirements: Aran weight, 100g balls
1 (1, 2, 2, 2, 2) balls

Also Needed:
One button

Sirdar website link: Supersoft Aran 1727