Nike Kids' Size Charts
Infant and Toddler Clothing
| Age In Months | 0-3 | 3-6 | 6-9 | 9-12 | 12-18 | 18-24 | 24-36 | 36-48 |
|---|---|---|---|---|---|---|---|---|
| US Toddler Size | - | - | - | - | - | 2T | 3T | 4T |
| Chest | 16.25"-17" | 17"-17.75" | 17.75"-18.5" | 18.5"-19" | 19"-19.75" | 19.75"-20.5" | 20.5"-20.75" | 20.75"-22" |
| Waist | 16.5"-17.5" | 17.5"-18.5" | 18.5"-19" | 19"-19.5" | 19.5"-20.25" | 20.25"-21" | 21"-21.25" | 21.25"-22" |
| Hips | 16.5"-17.5" | 17.5"-18.5" | 18.5"-19" | 19"-19.5" | 19.5"-20.25" | 20.25"-21" | 21"-21.25" | 21.25"-22" |
| Height | 23.5"-25.5" | 25.5"-27.5" | 27.5"-29.5" | 29.5"-31.5" | 31.5"-33.5" | 33.5"-35.5" | 35.5"-37.5" | 37.5"-41" |
Little Kids' Clothing
| Alpha Size | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Numeric Size | 3T | 4 | 5 | 6 | 6X/7 | 7X |
| Chest | - | 20.75"-22" | 22"-23" | 23"-24" | 24"-24.75" | 24.75"-26" |
| Waist | - | 21.25"-22" | 22"-22.75" | 22.75"-23.25" | 23.25"-23.5" | 23.5"-24" |
| Height | 35"-38" | 38"-41" | 41"-43" | 43"-45.5" | 45.5"-48" | 48"-50" |
| Age | 2-3 | 3-4 | 4-5 | 5-6 | 6-7 | 7-8 |
Older Boys' Clothing
| Alpha Size | XS | S | S+ | M | M+ | L | L+ | XL | XL+ |
|---|---|---|---|---|---|---|---|---|---|
| Numeric Size | 6-7 | 8-9 | 8-9 Plus | 10-12 | 10-12 Plus | 14-16 | 14-16 Plus | 18-20 | 18-20 Plus |
| Chest | 25.5"-26" | 26"-27" | 28"-30" | 27"-29.5" | 30"-33" | 29.5"-32" | 33"-36" | 32"-35" | 36"-38.5" |
| Waist | 23.5"-24" | 24"-25.5" | 26"-28" | 25.5"-27" | 28"-30" | 27"-28.5" | 30"-32" | 28.5"-29.5" | 32"-34.5" |
| Hips | 27"-28" | 28"-29.5" | 30"-32" | 29.5"-31.5" | 32"-34" | 31.5"-33.5" | 34"-37" | 33.5"-35" | 37"-39.5" |
| Height | 48"-50" | 50"-54" | 50"-54" | 54"-58" | 54"-58" | 58"-62" | 58"-62" | 62"-67" | 62"-67" |
| Age | 6-8 | 8-10 | 8-10 | 10-12 | 10-12 | 12-13 | 12-13 | 13-15 | 13-15 |
Older Girls' Clothing
| Alpha Size | XS | S | S+ | M | M+ | L | L+ | XL | XL+ |
|---|---|---|---|---|---|---|---|---|---|
| Numeric Size | 6-7 | 8-9 | 8-9 Plus | 10-12 | 10-12 Plus | 14-16 | 14-16 Plus | 18-20 | 18-20 Plus |
| Chest | 25.5"-27" | 27"-29" | 29"-32" | 29"-31" | 32"-34.5" | 31"-33.5" | 34.5"-38" | 33.5"-36.5" | 38"-41.5" |
| Waist | 23.5"-24" | 24"-25" | 26.5"-29.5" | 25"-27" | 29.5"-32" | 27"-28" | 32"-35" | 28"-29.5" | 35"-39" |
| Hips | 27"-29" | 29"-31" | 31"-33.5" | 31"-33" | 33.5"-36" | 33"-35" | 36"-39" | 35"-37" | 39"-42" |
| Height | 48"-50" | 50"-54" | 50"-54" | 54"-57" | 54"-57.5" | 57"-61" | 57.5"-61.5" | 61"-65" | 61.5"-65.5" |
| Age | 6-8 | 8-10 | 8-10 | 8-10 | 10-12 | 12-13 | 12-13 | 13-15 | 13-15 |