Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Performance Full-Zip Vest - This lightweight vest is crafted from super-soft microfleece and features our signature embroidered pony. Mockneck. Full-zip front with a flap at the center front of the neck that prevent chafing. Sleeveless silhouette. Zip pockets at the right chest and each side of the waist. Our signature embroidered pony accents the left chest. 100% polyester. Machine washable. Imported.