Light blue is for 3 years old but can be up to 4 yes old Navy blue is for 2-3 yrs old. My son’s sweater. I love Ralph Lauren so much that I buy every year. That’s why I have these for each year. :) outgrown sweater already. But in great condition. Wore like 3 times. Trying to clean up our closet coz it’s spring time :) Price listed is for the 2 sweaters already.