Shop Boys's  at RalphLauren.com, the Official Site of Ralph Lauren. Cotton Mesh Polo Shirt - An embroidered "4" crest—which represents the number worn by a polo team's most valuable defensive player—makes this Polo shirt a sporty go-to for school or the weekend. 100% cotton. Machine washable. Size 4/4T has a 17ufffd" front body length and a 19" back body length. Signature embroidered Big Pony at the left chest. Ribbed Polo collar. Two-button placket. Short sleeves with ribbed armbands.  A crown, crossed m<br>