which size of dress 6 year old boy?

A. hi dear Children's Clothing Sizes: Size Height Weight 4 or S 42 – 44 inches 37 – 41 pounds 5 or M 45 – 47 inches 42 – 46 pounds 6 or L 48 – 49 inches 47 – 53 pounds 6x/7 or XL 50 – 51 inches 54 – 58 pounded I suggest you to choose a good brand for your little one like Babyhug this is a good brand for your little one is most trusted by mom's