Size Chart:(Product Measurement)
8Y:Length:13.4IN,Waist Size:21.3IN
9Y:Length:14.2IN,Waist Size:22.0IN
10Y:Length:15.0IN,Waist Size:22.8IN
11Y:Length:15.7IN,Waist Size:23.6IN
12Y:Length:16.5IN,Waist Size:24.4IN
This data was obtained from manually measuring the product, it may be off by 0.39-0.79 IN