Size Chart:(Product Measurement)
4Y:Length:25.6IN,Sleeve Length:10.8IN,Waist Size:35.4IN
5Y:Length:27.2IN,Sleeve Length:11.3IN,Waist Size:36.6IN
6Y:Length:28.7IN,Sleeve Length:11.8IN,Waist Size:37.8IN
7Y:Length:30.3IN,Sleeve Length:12.2IN,Waist Size:39.0IN
This data was obtained from manually measuring the product, it may be off by 1-2 IN