Size  Body Length Body Width Sleeve Length
Newborn 11.5" 7.25" 2.5"
6 Months 12.5" 8.75" 2.75"
12 Months 13.5" 9.75" 3"
18 Months 14.5" 10.75" 3.25"
24 Months 15.5" 11.75" 3.5"