Size Chart(Product Measurement):

8 Years: Bicep Length: 12.6", Bust: 29.9", Cuff: 6.7", Length: 14.2", Shoulder: 13.4", Sleeve Length: 16.5"

9 Years: Bicep Length: 12.9", Bust: 31.1", Cuff: 6.9", Length: 14.7", Shoulder: 13.9", Sleeve Length: 17.3"

10 Years: Bicep Length: 13.2", Bust: 32.3", Cuff: 7.1", Length: 15.2", Shoulder: 14.3", Sleeve Length: 18.1"

11-12 Years: Bicep Length: 13.9", Bust: 34.6", Cuff: 7.5", Length: 16.2", Shoulder: 15.3", Sleeve Length: 19.7"

13-14 Years: Bicep Length: 14.5", Bust: 37.0", Cuff: 7.9", Length: 17.2", Shoulder: 16.2", Sleeve Length: 21.3"