This Ralph Lauren Childrenswear shirt’s poplin is specially developed to provide a hint of stretch without elastane, maintaining its 100 percent cotton fabrication. 100% cotton Machine washable Size 4 has an 18.75" back body length and a 21" sleeve length Sleeve length is taken from the center back of the neck Signature embroidered Pony at the left chest Button-down collar Buttoned placket Long sleeves with buttoned barrel cuffs Box-pleated back yoke Imported Imported