Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. Cotton Jersey Crewneck Tee - Embroidered with our signature pony, this crewneck tee is a seasonless, go-with-anything essential. 100% cotton. Machine washable. Size medium has a 24" body length. Signature embroidered pony at the left chest. Crewneck. Short sleeves. Imported.