
Normal mid-size US children's models are 10-12, but this jacket says 12-14 on the inside. The options were s, m, l but the size is indicated on the jacket label. IF the seller provides measurements, they must match the inside of the jacket exactly so the buyer can find the best fit. My son wears a size 10 which is the standard M, the jacket is too big for him and I really need to roll up my sleeves. he's growing up soon though and I really liked the retro feel of the starter jacket on the kid. Bright color, soft material, excellent workmanship.

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