Size is manual measurement, due to personal measurement habits and measurement methods, the data may have 1-2cm error, which is a normal phenomenon. Merchant size building is for reference, the buyer the final decision. shorts for boys swimsuit for boys toddler swimsuit boy boys swimsuit swim trunks men Size chart: Size:3T Recommended age:2-3Years Bust:54cm/21.26'' Sleeve:20cm/7.87'' Length:53cm/20.87'' Cap circumference:44cm/17.32'' Size:4T Recommended age:3-4Years Bust:56cm/22.05'' Sleeve:21cm/8.27'' Length:55cm/21.65'' Cap circumference:44cm/17.32'' Size:5T Recommended age:4-5Years Bust:58cm/22.83'' Sleeve:22cm/8.66'' Length:57cm/22.44'' Cap circumference:44cm/17.32'' Size:6T Recommended age:5-6Years Bust:60cm/23.62'' Sleeve:23cm/9.06'' Length:59cm/23.23'' Cap circumference:44cm/17.32'' Size:7T Recommended age:6-7Years Bust:62cm/24.41'' Sleeve:24cm/9.45'' Length:61cm/24.02'' Cap circumference:44cm/17.32'' Designed for boys, this swimsuit set provides excellent for safe extended outdoor water Long sleeve rash guard top and matching swim trunks offer comfortable full coverage and freedom of movement Quick-drying and - fabric durability and comfort after swimming and play Flatlock seams and lightweight material chafing and irritation for sensitive young skin Practical and stylish set is ideal for beach vacations, pool parties, swimming lessons, and various summer activities