Free shipping over $80Free gift wrap on every orderOutgrown it? Trade it in for creditOrganic cotton, newborn to 10 yearsFree shipping over $80Free gift wrap on every orderOutgrown it? Trade it in for creditOrganic cotton, newborn to 10 years
Our sizes follow age, but every child grows at their own pace. Enter their age, height or both and we'll match a size from the growth chart below, with a nudge to size up when they are near the top of a range.
13 true age sizesThe growth chart
Every size, measured
| Size | Age | Height (cm) | Weight (kg) | Chest (cm) | Shop |
|---|---|---|---|---|---|
| 0-3m | Newborn to 3 months | 50-62 | 3-6 | 38-41 | Shop 0-3m |
| 3-6m | 3 to 6 months | 62-68 | 6-8 | 41-44 | Shop 3-6m |
| 6-12m | 6 to 12 months | 68-80 | 8-10 | 44-47 | Shop 6-12m |
| 12-18m | 12 to 18 months | 80-86 | 10-11.5 | 47-49 | Shop 1-2y |
| 18-24m | 18 to 24 months | 86-92 | 11.5-13 | 49-51 | Shop 1-2y |
| 2-3y | 2 to 3 years | 92-98 | 13-15 | 51-53 | Shop 2-3y |
| 3-4y | 3 to 4 years | 98-104 | 15-17 | 53-55 | Shop 3-4y |
| 4-5y | 4 to 5 years | 104-110 | 17-19 | 55-57 | Shop 4-6y |
| 5-6y | 5 to 6 years | 110-116 | 19-21 | 57-59 | Shop 4-6y |
| 6-7y | 6 to 7 years | 116-122 | 21-23 | 59-62 | Shop 6-8y |
| 7-8y | 7 to 8 years | 122-128 | 23-26 | 62-65 | Shop 6-8y |
| 8-9y | 8 to 9 years | 128-134 | 26-29 | 65-68 | Shop 8-10y |
| 10y | 9 to 10 years | 134-146 | 29-36 | 68-72 | Shop 8-10y |
Between two sizes? Go up. Every piece has roll-up cuffs or two-position poppers.
Or jump straight to an age
Sizing questions
Tap "Which size?" on any product page, or open the Size helper from the menu. Enter your child's height (and age if you know it) and it picks the size from our growth chart. If they are near the top of a range, or you tick Room to grow, it suggests the next size up.