Short sleeve tee/ Knitted shorts/ Summer hat: 0-6mths, 6 to 12mths, 1 to 2 yrs, 2 to 3 yrs and 3 to 4 yrs. Summer romper: 3 to 6mths, 6 to 12mths, 12 to 18mths and 18 to 24mths.