Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. 2-7 Name-on-Back Big Pony Polo - Our short-sleeved polo is rendered in vibrant cotton mesh for an added pop of color. Embroider your name with up to ten characters across the back. Two-button applied placket, ribbed polo collar and armbands, uneven vented hem. Applied player's number at the right arm and back. Our embroidered Big Pony accents the left chest. 100% cotton. Machine washable. All of our Create Your Own items are personalized and are therefore non-returnable.