Size Chart:(Product Measurement)
8Y:Waist Size:19.7IN,Length:21.3IN
9Y:Waist Size:20.7IN,Length:23.0IN
10Y:Waist Size:21.7IN,Length:24.8IN
11Y:Waist Size:22.6IN,Length:26.6IN
12Y:Waist Size:23.6IN,Length:28.3IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM