Newborn15_MD
Size Chart
0-3 mo. up to 12 lbs 22.5-24"
3-6 mo. 10-15 lbs 23.5-25.5"
6-9 mo. 12.5-19 lbs 24.5-28.5"
12 mo. 18-23 lbs 29-31"
18 mo. 23-26 lbs 31-33"
24 mo. 26-29 lbs 33-35"

Size chart is a general guide. It may include sizes that are unavailable for this item.