Size Chart(Product Measurement):

8 Years: Bust: 28.7", Cuff: 7.9", Length: 13.6", Shoulder: 10.2", Sleeve Length: 8.7"

9 Years: Bust: 29.9", Cuff: 8.2", Length: 14.1", Shoulder: 10.7", Sleeve Length: 8.8"

10 Years: Bust: 31.1", Cuff: 8.5", Length: 14.6", Shoulder: 11.2", Sleeve Length: 9.0"

11-12 Years: Bust: 33.5", Cuff: 9.1", Length: 15.6", Shoulder: 12.1", Sleeve Length: 9.3"