Sarah's wonderful foal image "Bounce" on an infant Onesie.

Newborn; 7 inch chest, 13 inch length

0-3 months; 7-1/4 inch chest, 13-1/2 length

3-6 months; 7-1/2 inch chest, 14 inch length

6-9 months; 8 inch chest, 15 inch length

12 months; 8-1/2 inch chest, 16 inch length