My son is a size 10 and this coat is a bit big for him as the sleeves are too long. It doesn't seem too wide. In fact I compared it to his current coat in size 8-10 and the only difference in size is the sleeve length. I'm not sure if it will fit him when he's tall enough for the sleeves to fit. Right now they are above his fingertips and a full two inches longer than his current coat. There are no cuffs at the wrist on the inside of the sleeves. The lining of the coat is made of comfortable fleece. The sleeves can be tightened on the outside of the wrists/gloves. The back is slightly longer. It doesn't feel particularly warm, but should be fine for active play in mild winter weather.
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