Size detail	Height	Weight	Waist
4	40 - 42.5" 102 - 108 cm	37 - 42.5 lbs 16.8-17.7 kg	21" 53.34 cm
5	42.5 - 45" 108 -114 cm	42.5 - 48 lbs 17.7-20 kg	21 1/2" 54.6 cm
6	45 - 49" 114 - 122 cm	48 - 53 lbs 20-22.2 kg	22" 55.9 cm
7B	49 - 51" 122-128 cm	53 - 59.5 lbs 22.2-24.5 kg	22 1/2" 57.2 cm
7X/8B	51 - 54" 128-135 cm	59.5 - 69.5 lbs 25.0-28.1 kg	23 1/2" 59.7 cm
10B	54 - 56" 135-140 cm	69.5 - 87 lbs 28.1-33.6 kg	24 1/2" 62.2 cm
12B	56 - 59" 140-147 cm	87 - 100 lbs 33.6-39 kg	25 1/2" 64.8 cm

Size detail	Height	Weight	Waist
4S	40 - 42.5" 102 - 108 cm	35 - 37 lbs 15.0-16.3 kg	19 48.3 cm
5S	42.5 - 45" 109-114 cm	37.5 - 46 lbs 16.8-19.1 kg	19 1/2" 49.5 cm
6S	45 - 48" 114 - 119 cm	46 - 50 lbs 19.5-21.8 kg	20" 50.8 cm
7S	48 - 49" 119-124 cm	50 - 56 lbs 22.2-24.5 kg	20 1/2" 52.1 cm
7XS	49 - 51" 124.5-132.1 cm	56 - 66 lbs 25.0-28.6 kg	21 1/2" 54.6 cm
8S	51 - 54" 132-137 cm	56 - 66 lbs 25.0-28.6 kg	21 1/2" 54.6 cm
10S	54 - 56" 137-142 cm	66 - 82 lbs 29.0-34.9 kg	22 1/2" 57.2 cm
12S	56 - 59" 142-147 cm	82 - 94 lbs 35.4-41.3 kg	23 1/2" 59.7 cm

Size detail	Height	Weight	Waist
4H	40 - 42.5" 102 - 108 cm	39 - 41 lbs 15.0-16.3 kg	23 1/2" 59.7 cm
5H	42.5 - 45" 109-114 cm	41 - 52 lbs 16.8-19.1 kg	24" 61.0 cm
6H	45 - 48" 114 - 119 cm	52 - 56 lbs 19.5-21.8 kg	24 1/2" 62.2 cm
7H	48 - 49" 119-124.5 cm	56 - 63 lbs 22.2-24.5 kg	25" 63.5 cm
7X	49 - 51" 124.5-132.1 cm	63 - 74 lbs 25.0-28.6 kg	26 1/2" 67.3 cm
8H	51 - 54" 132-137 cm	63 - 74 lbs 25.0-28.6 kg	26 1/2" 67.3 cm
10H	54 - 56" 137-142 cm	74 - 92 lbs 29.0-34.9 kg	27 1/2" 69.9 cm
12H	56 - 59" 142-147 cm	92 - 106 lbs 35.4-41.3 kg	28 1/2" 72.4 cm