hi haven't gotten it on there yet but here it is
if your baby is at the higher end of the size go larger because they tend to run a little small..they are strecty though
xs
9" neck, 12" chest, 8.5" length
Small
10" neck, 12" chest, 9" length
med
10" neck, 14.5" chest, 10" length
large
11" neck, 16" chest, 12" length