Size Chart:7Y: Shoulder: 18.7", Length: 16.1", Bust: 37", Cuff: 12.6", /8Y: Shoulder: 19.3", Length: 16.9", Bust: 38.2", Cuff: 13", /9Y: Shoulder: 19.9", Length: 17.7", Bust: 39.4", Cuff: 13.3", /10Y: Shoulder: 20.5", Length: 18.5", Bust: 40.6", Cuff: 13.6", /11-12Y: Shoulder: 21.7", Length: 20.1", Bust: 42.9", Cuff: 14.2