Polo Ralph Lauren Structured Double Breasted Blazer. Size 0 Polo Ralph Lauren embraces tailored designs with this button blazer. Crafted in a tailored silhouette, this piece is finished with sleeve buttons and a notched collar. Navy blue cotton structured double-breasted blazer from POLO RALPH LAUREN featuring classic lapels, double-breasted button fastening, long sleeves and two front flap pockets. Composition Outer: Cotton 60%, Viscose 40% Lining: Polyester 100%