All measurements below are body measurements in centimetres - not garment measurements. If your child sits between two sizes, we recommend choosing the larger size.
| Size | Age | Chest | Waist | Hip | Height | Weight |
|---|---|---|---|---|---|---|
| 0000 | Newborn | 41 | 41 | - | 56 | 4 |
| 000 | 0–3 months | 44 | 44 | - | 62 | 6 |
| 00 | 3–6 months | 47 | 47 | - | 68 | 8 |
| 0 | 6–12 months | 50 | 50 | - | 76 | 10 |
| 1 | 12–18 months | 52 | 52 | 54 | 84 | 12 |
| 2 | 18–24 months | 54 | 53 | 58 | 91 | 14 |
Chest, waist, hip and height in centimetres. Weight in kilograms.
| Size | Chest | Waist | Hip | Height |
|---|---|---|---|---|
| 1 | 54 | 53 | 56 | 84 |
| 2 | 56 | 54 | 58 | 92 |
| 3 | 58 | 55 | 60 | 100 |
| 4 | 60 | 56 | 62 | 108 |
| 5 | 62 | 57 | 64 | 115 |
| 6 | 64 | 58 | 66 | 121 |
| 7 | 66 | 59 | 69 | 127 |
| 8 | 68 | 60 | 72 | 132 |
| 10 | 74 | 64 | 78 | 144 |
All measurements in centimetres.
Use a soft tape measure over close-fitting clothing or bare skin. Keep the tape level and snug, but not tight.
Still between sizes? Go up a size. Height is the best single indicator for kids, and weight the best for babies.
The most magical night of the year calls for the Chase Sleep Set from Rock Your Kid. Featuring a festive Santa-inspired back placement print on the tee and matching shorts covered in an all-over star print, this cheerful two-piece pyjama set is made for Christmas Eve excitement, bedtime stories, and dreams of surprises waiting under the tree. Crafted from soft cotton elastane jersey, it's perfect for cosy family traditions and festive mornings filled with wonder.
