Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Oilcloth Driving Cap - This handsome driving cap is crafted from rugged cotton oilcloth and features our signature embroidered pony. Sewn bill. Adjustable leather strap with a gold-toned roller buckle at the back. Our signature embroidered pony accents the back left. Fully lined with cotton twill. Shell and lining: 100% cotton. Strap: 100% leather. Imported.