This pattern is a fully open back-fastening sweater for sizes birth through 6 months. Sizes 12 - 24 months has a henley-like slit at the top back with two snaps.

Sizes:
Naissance (3 mois, 6 mois, 12 mois, 18/24 mois)

Yarn Needed:
A: 1 (2, 2, 2, 3) balls
B: 2 (2, 2, 2, 2) balls
C: 1 (2, 2, 2, 2) balls

Also Needed:
5 (5, 5, 2, 2) pressions/snaps