Polo Ralph Lauren crafts this cotton-linen cardigan using a quilting inlay technique to achieve its striking patchwork blocks in teal, navy, and cream. A shawl collar and removable fabric belt frame the silhouette, while patch pockets and button closure add layered detail. Ribbed cuffs define the long sleeves. Style over a simple tee or layer with tailored trousers for composed, textured warmth.