Product Measurement: 8 Years: Bicep Length: 11.8", Bust: 31.9", Cuff: 8.3", Length: 17.3", Shoulder: 13.0", Sleeve Length: 17.7"

9 Years: Bicep Length: 12.1", Bust: 33.1", Cuff: 8.4", Length: 18.1", Shoulder: 13.5", Sleeve Length: 18.5"

10 Years: Bicep Length: 12.4", Bust: 34.3", Cuff: 8.6", Length: 18.9", Shoulder: 13.9", Sleeve Length: 19.3"

11-12 Years: Bicep Length: 13.1", Bust: 36.6", Cuff: 8.9", Length: 20.5", Shoulder: 14.9", Sleeve Length: 20.9"