100% cotton
Sizes:
1 year (approximately 52cm around chest)
2-3 years (approximately 55cm)
4-5 years (approximately 60cm)
6-7 years (approximately 65cm)
8-9 years (approximately 69cm)
10-11 years (approximately 79cm)
12-13 years (approximately 82cm)
14-15 years (approximately 88cm)