General Size Chart

NEWBORN & INFANT
AGE             SIZE            WEIGHT (lbs)         HEIGHT (in)
Preemie       Preemie        Up to 6                  Up to 17
0 m             Newborn       Up to 9                  Up to 21
0-3 m          3 m              Up to 12                Up to 23
3-6 m          6 m              12-16                    24-26
6-9 m          9 m              16-18                    27-28
9-12 m        12 m            18-20                    28-30
12-18 m      18 m            20-24                    30-32
18-24 m      24 m            25-27*                  33-34*

TODDLER
AGE           SIZE           WEIGHT (lbs)        HEIGHT (in)       CHEST (in)      WAIST (in)     HIPS (in)
2               2T               25-27*                 33-35*               20                  20                 21
3               3T               28-32                   35-37                 21                  20½              22
4               4T               33-36*                 37-40*               22                  21                 23
5               5T               37-42*                 41-43*               23                  21½               24

LITTLE GIRLS & BOYS
AGE           SIZE           WEIGHT (lbs)        HEIGHT (in)       CHEST (in)      WAIST (in)     HIPS (in)
4                4                33-36*                 39-42*               22                 21                  23
5                5                37-42*                 42-44*               23                 21 ½              24
6                6                43-48                   44-46                 24                 22                 25
6                6X/7           49-54                   47-48                 25                 22 ½              26

Note:
* 18-24 months and 2T have the same weight range, but 2T has a greater height range.
* 4T and 4 have the same weight range, but 4 is taller by two inches.
* 5T and 5 have the same weight range, but a different height range.