Size guide - bottoms - metric

size	baby's weight (kg)	baby's height (cm)
nb	up to 4.1	up to 56
0 - 3m	5.7	62
3 - 6m	7.4	68
6 - 9m	8.8	74
9 - 12m	9.9	80
12 - 18m	11.3	86
18 - 24m	12.4	92
2 - 3y	14.5	98
3 - 4y	n/a	103
4 - 5y	n/a	110
5 - 6y	n/a	116

 

• To measure a small baby lay them down & lay a measuring tape from the top of their head to the bottom of their heel.
• For older littles ones, you can measure them standing.
• Don't worry, all our sizes take into consideration space for a nappy.