Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Cotton Half-Zip Sweater - Crafted from soft cotton, this comfortable mockneck sweater features a half-zip placket and our signature embroidered pony. Ribbed mockneck. Half-zip placket. Long sleeves with ribbed cuffs. Ribbed hem. Our signature embroidered pony accents the left chest. 100% cotton. Hand wash. Imported.