Shop Baby's at RalphLauren.com, the Official Site of Ralph Lauren. Cotton Long-Sleeved Tee - This long-sleeved tee is crafted from soft cotton and finished with our signature embroidered pony. Crew neckline. Long sleeves with ribbed cuffs. Even-sewn hem. Our signature embroidered pony accents the left chest. 100% cotton. Machine washable. Imported.