Shop Boys's  at RalphLauren.com, the Official Site of Ralph Lauren. Short Sleeve T-Shirt - Finished with our signature embroidered pony, this jersey crewneck tee is a classic Polo essential.  100% cotton. Machine washable. Size 4/4T has an 18" body length. Signature embroidered pony at the left chest. Crew neckline. Short sleeves. Imported. <br>