I bought this sweatshirt in a size 8-10 for my 7 year old grandson and then my 9 year old grandson (pictured) wanted the same one too so I ordered him a size 8-10 . 9 years old is taller and slimmer, 7 years old is stockier, and 8-10 years old suit each of them. The shirt is light, very soft inside and out and perfect for summer evenings. Boys like a less fitted style that is more comfortable.
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