Infant Size Chart

How to read this chart: measurements are of the garment laid flat, in inches. Chest is armpit to armpit (double it for the full chest). Compare with a shirt you already own and like the fit of. Between sizes? Size up.

Infant bodysuit / onesie (Rabbit Skins)

Size	Body width (flat)	Body length	Sleeve
NB	7.25	10.75	2.5
6M	8.75	11.75	2.75
12M	9.75	12.75	3
18M	10.75	13.75	3.25
24M	11.75	14.75	3.5

Infant Baby Rib bodysuit, 5 oz 1x1 rib, pre-shrunk, lap shoulders, snap closure. Tolerance: width ±0.5, length ±0.75.

Infant tee (Rabbit Skins)

Size	Body width (flat)	Body length	Sleeve
6M	10	12.5	3.75
12M	11	13.5	4
18M	12	14.5	4.25
24M	13	15.5	4.75

Infant Fine Jersey tee, 4.5 oz, pre-shrunk. Tolerance: width ±0.5, length ±0.75.

Source: Rabbit Skins size guide