Size Chart: Zip Rompers

Size

 Weight  Length
Preemie 4-8 lbs up to 21 in
NB 8-12 lbs up to 23 in
0-3M 12-16 lbs up to 29 in
3-6M 16-19 lbs 26-30 in
6-12M 19-24 lbs 30-33 in
12-18M 24-29 lbs 33-35 in
18-24M 29-34 lbs 35-41 in