Size Chart(Product Measurement):

Tops:
8 Years: Shoulder: 12.8", Length: 14.7", Sleeve Length: 17.9", Bust: 31.5", Cuff: 7.2", Bicep Length: 12.4"

9 Years: Shoulder: 13.3", Length: 15.2", Sleeve Length: 18.7", Bust: 32.7", Cuff: 7.3", Bicep Length: 12.7"

10 Years: Shoulder: 13.8", Length: 15.7", Sleeve Length: 19.5", Bust: 33.9", Cuff: 7.5", Bicep Length: 13"

11 Years: Shoulder: 14.3", Length: 16.3", Sleeve Length: 20.3", Bust: 35", Cuff: 7.6", Bicep Length: 13.3"

12 Years: Shoulder: 14.7", Length: 16.8", Sleeve Length: 21.1", Bust: 36.2", Cuff: 7.8", Bicep Length: 13.6"

Pants:
8 Years: Length: 31.1", Waist Size: 29.1-20.5", Hip Size: 33.1", Thigh: 19.8"

9 Years: Length: 32.5", Waist Size: 30.3-21.3", Hip Size: 34.3", Thigh: 20.6"

10 Years: Length: 33.9", Waist Size: 31.5-22", Hip Size: 35.4", Thigh: 21.3"

11 Years: Length: 35.2", Waist Size: 32.7-22.8", Hip Size: 36.6", Thigh: 22"

12 Years: Length: 36.6", Waist Size: 33.9-23.6", Hip Size: 37.8", Thigh: 22.7"