Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Langley Sport Coat - Perfect for layering, this lightweight sport coat is crafted from a soft Pima cotton blend and designed with a classic three-button silhouette. Three-button silhouette. Notched lapels. Four corresponding buttons at each cuff. Patch pocket at the left chest. Flap pockets at the waist. Interior patch pocket and buttoned welt pocket. Fully lined. Shell: 60% cotton; 40% Pima cotton. Sleeve lining: 100% cupro. Dry clean. Imported.