Size Chart(Product Measurements):

8 Years: Bust: 31.5", Cuff: 7.6", Length: 19.7", Shoulder: 12.8", Sleeve Length: 18.1"

9 Years: Bust: 32.7", Cuff: 7.7", Length: 20.5", Shoulder: 13.3", Sleeve Length: 18.9"

10 Years: Bust: 33.9", Cuff: 7.9", Length: 21.3", Shoulder: 13.8", Sleeve Length: 19.7"

11 Years: Bust: 35.0", Cuff: 8.0", Length: 22.0", Shoulder: 14.3", Sleeve Length: 20.5"

12 Years: Bust: 36.2", Cuff: 8.2", Length: 22.8", Shoulder: 14.7", Sleeve Length: 21.3"