Size Chart:(Product Measurement)
8Y:Length:17.3IN,Waist Size:20.5IN
9Y:Length:18.1IN,Waist Size:21.3IN
10Y:Length:18.9IN,Waist Size:22.0IN
11Y:Length:19.7IN,Waist Size:22.8IN
12Y:Length:20.5IN,Waist Size:23.6IN
This data was obtained from manually measuring the product, it may be off by 1-2 IN