Numeric Size
Height
Weight
Chest
Waist
Hip
X-Small
6/7
6/7
47" - 49"
118 - 124
48 - 52lbs
22 - 24kgs
25" - 26"
64 - 66
23" - 24"
58 - 61
25" - 26"
64 - 66
Small
7/8
7/8
50" - 52"
127 - 132
52 - 68lbs
24 - 31kgs
26" - 27"
66 - 68
23½" - 24½"
59 - 62
26" - 28"
66 - 71
Medium
8/10
8/10
52" - 55"
133 - 139
62 - 87lbs
28 - 39kgs
27" - 29"
69 - 73
24½" - 25½"
63 - 65
28" - 30"
71 - 76
Large
10/12
10/12
55" - 58"
140 - 147
80 - 95lbs
36 - 43kgs
29" - 31"
74 - 79
25½" - 26½"
65 - 67
30" - 32"
76 - 81
X-Large
14/16
14/16
58" - 62"
148 - 157
96 - 110lbs
44 - 50kgs
31" - 33"
79 - 84
27" - 28"
68 - 71
33" - 34"
82 - 86