Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. Cotton Half-Zip Pullover - Crafted from soft cotton, this half-zip pullover features a wide-striped pattern and our signature embroidered pony. Mockneck. Half-zip front. Long sleeves with ribbed cuffs. Even-sewn hem. Our signature embroidered pony accents the left chest. 100% cotton. Machine washable. Imported.