Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Merino Wool Half-Zip Sweater - This mockneck sweater is crafted from soft Italian merino wool and 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% merino wool. Hand wash. Imported.