Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. Cotton Baseball Tee - Crafted from soft cotton jersey, this baseball tee features contrasting raglan sleeves and our signature embroidered pony. Crew neckline. Contrasting short raglan sleeves with sewn cuffs. Our signature embroidered pony accents the left chest. 100% cotton. Machine washable. Imported.