I bought 6/7 for my tall skinny 6 year old BC, she is 6 (girl small) in finish, but they are too big. The legs are baggy and a little long, not tight at all like stretch pants. I bought another pair (before I found the pilling) for them in a size 4/5 and they are much better but still don't fit like stretch pants. Pros - they're really thick, the inside is actually blurry, and my daughter loves them! The colors are bright and pleasing. Cons - they curl up after the first wash so I won't be buying them again (although my daughter doesn't care and continues to wear them).
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