My son is 47 inches and 55 pounds. wears 6-7 or 7-8 clothes. Size 5-6 says 6T on tag. They were too big for him, loose in the waist and below the knees. But they are tied with rope to support them and last more than one season. Also bought 13-14 for my 16 year old because he liked them. He is 5 feet 4 inches tall, weighs 125 pounds and has very little body fat. They're also loose in the waist but true in length. Generally very happy with them.
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