All measurements are in inches. If your little one is between sizes, we recommend sizing up.
Baby (Newborn – 24 Months)
| Size |
Weight (lbs) |
Chest |
| Newborn |
5.5–10 |
17" |
| 3 Months |
10–12 |
18" |
| 6 Months |
12–16 |
19" |
| 9 Months |
16–20 |
20" |
| 12 Months |
20–23 |
20.5" |
| 18 Months |
23–26 |
21" |
| 24 Months / 2 Years |
26–28 |
22" |
Girls (12 Months – 12 Years)
| Size |
Size Tag |
Chest |
Shoulder to Hem |
Inseam |
| 12 Months |
XXXS |
19 1/2" |
13" |
11 1/2" |
| 18 Months |
XXS |
20" |
13 1/2" |
12" |
| 2 Years |
XS |
21" |
14" |
12 1/4" |
| 3 Years |
S |
22" |
15" |
13 1/4" |
| 4 Years |
M |
24" |
16" |
15" |
| 5 Years |
L |
25" |
17" |
16" |
| 6 Years |
XL |
25 1/2" |
18" |
17" |
| 7 Years |
XXL |
26" |
19" |
18" |
| 8 Years |
XXXL |
27" |
19 1/2" |
19" |
| 9 Years |
XXXXL |
28" |
20" |
20" |
| 10 Years |
5XL |
29" |
21" |
21" |
| 12 Years |
6XL |
30" |
22" |
22" |
Boys (12 Months – 12 Years)
| Size |
Size Tag |
1/2 Chest |
Shoulder to Hem |
Inseam |
Sleeve Length |
| 12 Months |
XXXS |
11.42" |
13.39" |
11.28" |
11.02" |
| 18 Months |
XXS |
11.81" |
14.17" |
11.7" |
11.81" |
| 2 Years |
XS |
12.2" |
14.96" |
12.13" |
12.6" |
| 3 Years |
S |
12.6" |
15.75" |
13.74" |
13.39" |
| 4 Years |
M |
12.99" |
16.54" |
15.35" |
14.17" |
| 5 Years |
L |
13.39" |
17.32" |
16.57" |
15.35" |
| 6 Years |
XL |
13.78" |
18.11" |
17.8" |
16.54" |
| 7 Years |
XXL |
14.17" |
18.9" |
19.02" |
17.32" |
| 8 Years |
XXXL |
14.96" |
19.69" |
20.24" |
18.11" |
| 10 Years |
5XL |
15.75" |
20.87" |
21.46" |
18.9" |
| 12 Years |
6XL |
16.54" |
22.05" |
22.68" |
19.69" |
