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Size Chart(Product Measurement):

8 Years: Bicep Length: 9.8", Bust: 28.3", Cuff: 10.0", Length: 16.3", Shoulder: 12.4", Sleeve Length: 5.1"

9 Years: Bicep Length: 10.2", Bust: 29.5", Cuff: 10.4", Length: 17.1", Shoulder: 12.9", Sleeve Length: 5.3"

10 Years: Bicep Length: 10.5", Bust: 30.7", Cuff: 10.7", Length: 17.9", Shoulder: 13.3", Sleeve Length: 5.4"

11-12 Years: Bicep Length: 11.1", Bust: 33.1", Cuff: 11.3", Length: 19.5", Shoulder: 14.3", Sleeve Length: 5.7"

Shorts:

Size Chart(Product Measurement):

8 Years: Hip Size: 30.3", Length: 7.7", Thigh: 19.9", Waist Size: 20.5-29.9"

9 Years: Hip Size: 31.5", Length: 7.9", Thigh: 20.6", Waist Size: 21.1-31.1"

10 Years: Hip Size: 32.7", Length: 8.1", Thigh: 21.3", Waist Size: 21.7-32.3"

11-12 Years: Hip Size: 35.0", Length: 8.5", Thigh: 22.7", Waist Size: 22.8-34.6"