EXCLUSIVE AT NET-A-PORTER. Envelope1976's co-founders Pia Nordskaug and Celine Aagaard focus on creating timeless, sustainable pieces that are meant to really last. This 'Seoul' sweater is knitted from a combination of alpaca, cotton and merino wool for a soft and cozy handle. It's designed in a relaxed silhouette and has a boat neckline. Wear yours with a slip skirt or jeans.