Size Chart(Product Measurements):

4T: Bicep Length: 10.8", Bust: 27.6", Cuff: 5.9", Length: 15.7", Shoulder: 11.0", Sleeve Length: 13.8"

5T: Bicep Length: 11.3", Bust: 28.7", Cuff: 6.1", Length: 16.9", Shoulder: 11.5", Sleeve Length: 15.0"

6 Years: Bicep Length: 11.8", Bust: 29.9", Cuff: 6.4", Length: 18.1", Shoulder: 12.0", Sleeve Length: 16.1"

7 Years: Bicep Length: 12.2", Bust: 31.1", Cuff: 6.6", Length: 19.3", Shoulder: 12.4", Sleeve Length: 17.3"