Compare your child's body measurements to the chart below to select your size. 

 

Standard units

SIZE	HEIGHT	WEIGHT	CHEST	WAIST	HEAD
0 - 3 M	20.5 - 24"	7 - 14	15.5 - 17"	16.125 - 17.375"	15.5”
3 - 6 M	24 - 27"	14 - 18	17 - 18"	17.375 - 18.5"	16”
6 - 9 M	27 - 29"	18 - 22	18 - 18.5"	18.5 - 19"	16.5”
9 - 12 M	29 - 30.5"	22 - 26	18.5 - 19"	19 - 19.5"	17”
12 - 18 M	30.5 - 32"	26 - 28	19 - 19.75"	19.5 - 20.25"	17.5”
18 - 24 M	32 - 33.5"	28 - 30	19.75 - 20"	20.25 - 20.5"	18”
2 - 3 Y	33.5 - 36"	30 - 35	20 - 20.5"	20.5 - 21"	18.5”
3 - 4 Y	38 - 41"	35 - 39	21 - 22"	21.5 - 22"	19”
4 - 5 Y	41 - 44"	39 - 45	22 - 23"	22 - 22.5"	19.5”
5 - 6 Y	44 - 46.5"	45 - 50	23 - 24"	22.5 - 23"	20”
6 - 7 Y	46.5 - 50"	50 - 58	24 - 26"	23 - 23.5"	20.5"
7 - 8 Y	50 - 52"	58 - 67	26 - 27"	23.5 - 24.5"	21"

 

Metric units

SIZE	HEIGHT (cm)	WEIGHT (kg)	CHEST (cm)	WAIST (cm)	HEAD (cm)
0 - 3 M	52 - 61	3 - 6	40 - 43	41 - 44	38
3 - 6 M	61 - 69	6 - 8	43 - 45	44 - 47	40.5
6 - 9 M	69 - 74	8 - 10	45 - 47	47 - 48	42
9 - 12 M	74 - 77	10 - 12	47 - 48	48 - 49.5	43
12 - 18 M	77 - 81	12 - 13	48 - 50	49.5 - 51.5	44.5
18 - 24 M	81 - 85	13 - 14	50 - 52	51.5 - 52	45.5
2 - 3 Y	85 - 97	14 - 16	52 - 53	52 - 54	47
3 - 4 Y	97 - 104	16 - 18	53 - 56	54 - 56	48
4 - 5 Y	104 - 112	18 - 20	56 - 58	56 - 57	49.5
5 - 6 Y	112 - 118	20 - 23	58 - 61	57 - 58.5	51
6 - 7 Y	118 - 127	23 - 26	61 - 63.5	58.5 - 60	52
7 - 8 Y	127 - 132	26 - 30	63.5 - 66	60 - 62	53