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Size Chart(Product Measurement):

8 Years: Bicep Length: 12.2", Bust: 34.3", Cuff: 12.0", Length: 20.7", Shoulder: 19.3", Sleeve Length: 5.1"

9 Years: Bicep Length: 12.5", Bust: 35.4", Cuff: 12.3", Length: 21.5", Shoulder: 19.9", Sleeve Length: 5.3"

10 Years: Bicep Length: 12.8", Bust: 36.6", Cuff: 12.6", Length: 22.2", Shoulder: 20.5", Sleeve Length: 5.4"

11-12 Years: Bicep Length: 13.5", Bust: 39.0", Cuff: 13.3", Length: 23.8", Shoulder: 21.7", Sleeve Length: 5.7"

Pants:

Size Chart(Product Measurement):

8 Years: Hip Size: 24.8", Length: 29.1", Thigh: 15.0", Waist Size: 20.5-29.5"

9 Years: Hip Size: 26.0", Length: 30.5", Thigh: 15.7", Waist Size: 21.5-30.7"

10 Years: Hip Size: 27.2", Length: 31.9", Thigh: 16.4", Waist Size: 22.4-31.9"

11-12 Years: Hip Size: 29.5", Length: 34.6", Thigh: 17.8", Waist Size: 24.4-34.3"