Size Chart(Product Measurements):

8 Years: Bicep Length: 9.8", Bust: 29.7", Cuff: 9.3", Hip Size: 37.6", Length: 27.4", Shoulder: 10.6", Sleeve Length: 10.2", Waist Size: 32.3"

9 Years: Bicep Length: 10.2", Bust: 30.9", Cuff: 9.6", Hip Size: 38.9", Length: 28.7", Shoulder: 11.1", Sleeve Length: 10.4", Waist Size: 33.5"

10 Years: Bicep Length: 10.5", Bust: 32.1", Cuff: 9.9", Hip Size: 40.3", Length: 30.1", Shoulder: 11.6", Sleeve Length: 10.6", Waist Size: 34.6"

12 Years: Bicep Length: 11.1", Bust: 34.4", Cuff: 10.5", Hip Size: 43.0", Length: 32.9", Shoulder: 12.5", Sleeve Length: 10.9", Waist Size: 37.0"