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Size Chart(Product Measurement):

8 Years: Bicep Length: 10.4", Bust: 26.4", Cuff: 7.9", Length: 16.5", Shoulder: 11.8", Sleeve Length: 18.5"

9 Years: Bicep Length: 10.7", Bust: 27.6", Cuff: 8.0", Length: 17.3", Shoulder: 12.3", Sleeve Length: 19.3"

10 Years: Bicep Length: 11.1", Bust: 28.7", Cuff: 8.2", Length: 18.1", Shoulder: 12.8", Sleeve Length: 20.1"

11-12 Years: Bicep Length: 11.7", Bust: 31.1", Cuff: 8.5", Length: 19.7", Shoulder: 13.7", Sleeve Length: 21.7"

Pants:

Size Chart(Product Measurement):

8 Years: Hip Size: 33.1", Length: 31.5", Waist Size: 20.5-29.9"

9 Years: Hip Size: 34.3", Length: 32.9", Waist Size: 21.3-31.1"

10 Years: Hip Size: 35.4", Length: 34.3", Waist Size: 22-32.3"

11-12 Years: Hip Size: 37.8", Length: 37.0", Waist Size: 23.2-34.6"