Shop Banana Republic's Duster Cardigan Sweater: Softly structured, this long cardigan sweater uses a full Milano stitch to deliver an effortlessly elegant look that's especially polished. Reach for it on cold days when a little mood-lift is just the thing., Relaxed Fit: Expertly cut for a loose fit., Shawl collar., Side pockets., Straight hem with 9" side slits., Sustainability: Made with LENZING™ ECOVERO™, a breathable fiber derived from certified renewable wood sources, produced using…