- Polo Ralph Lauren Kids - Girls' Size Guide - Polo Ralph Lauren Baby Size Guide - Polo Ralph Lauren Kids - Boys' Size Guide - Wrap your little one in happiness with this Polo Ralph Lauren® Kids Plaid Cotton Poplin Shirt that comes in a classic silhouette with cute stripes allover. The button-down collared shirt features a full button-front closure, long sleeves with buttoned barrel cuffs, an embroidered pony at the left chest for a signature touch, and a shirttail hem. - Box-pleated back yoke. - 100% cotton. - Machine wash cold, tumble dry low. - Imported.