Numeric Size
Height
Weight
Chest
Waist
Hip
XX-Small
4
4
41" - 43"
104 - 109
34 - 38lbs
15 - 17kgs
22" - 23"
55 - 58
21" - 22"
53 - 55
23" - 24"
58 - 61
X-Small
5/6
5/6
44" - 49"
111 - 125
39 - 51lbs
18 - 23kgs
23" - 25"
59 - 64
22" - 23"
56 - 58
24" - 26"
61 - 66
Small
7/8
7/8
50" - 52"
127 - 132
52 - 68lbs
24 - 31kgs
26" - 27"
66 - 69
23" - 24"
59 - 61
27" - 28"
68 - 71
Medium
8/10
8/10
52" - 55"
133 - 139
62 - 87lbs
28 - 39kgs
27" - 28.5"
69 - 72
24" - 25"
61 - 63
28" - 30"
71 - 76
Large
10/12
10/12
55" - 58"
140 - 147
80 - 95lbs
36 - 43kgs
28.5" - 30"
72 - 76
25" - 26"
63 - 66
30" - 32"
76 - 81
X-Large
14/16
14/16
59" - 62"
150 - 157
96 - 115lbs
44 - 52kgs
31" - 33"
78 - 84
27" - 29"
68 - 73
33" - 35"
83 - 89