Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Double-Breasted Blazer - This rustic blazer is crafted from soft cotton corduroy and features a sharp double-breasted silhouette. Notched lapels. Double-breasted silhouette. Long sleeves with a four-button detail at each cuff. Welt pocket at the left chest. Flapped welt pockets at the waist. Vented back hem. Fully lined. Shell: 100% cotton. Lining: 100% acetate. Dry clean. Imported.