Old Navy girls long-sleeved shirts. It may be time for back-to-school but this top has summer-break written all over it. Smooth, cotton poplin includes a touch of stretch for a nicely tailored fit, while the rounded collar and puff sleeves keep her looking like a class act. - Rounded collar Eight-button front Banded puff sleeves with button-closure Darted seams in back for a tailored fit Smooth poplin with added stretch