Long & Short Sleeve Pajamas are designed to be snug fit to meet safety standards and fit small, round up if child is in between sizes. Nazareth is 7 years old and 48lbs wearing a size 8.
Here are general size recommendations by age:
1.5 to 2.5 years old: Size 2
2 to 3 years old: Size 4
4 to 5 years old: Size 6
6 to 7 years old: Size 8
8 to 9 years old: Size 10
10 to 11 years old: Size 12
12 years old: Size 14