Even boys can dress up from time to time! Boys sizes 4 to 5. 4 pieces included. Arizona Jean Co shorts, easily used, size 4, is paired with 3coordinating shirts. "Everyday I'm Muscling" sleeveless shirt, size 4, is great with the button up or use the "Pole Sport" t-shirt, size 5, to add to the look under the Cat & Jack plaid, blue button up.