I bought these for my 10 year old daughter who is very thin and slim 5'6" and 130 lbs, they are narrow and barely fit her. She can still wear most 7/8 girls dresses, so 10/12 is usually very loose but long enough in the sleeves. They are quite long but very tight, even in the arms. They are decent quality and cute, very versatile, just order a size up or 2!
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