This vintage Koos cardigan duster is a must-have for any fashion-forward woman. The tight-knit, blue silk blend fabric features a beautiful geometric pattern and is accented with quilted details and the brand's logo. The V-neckline and raglan sleeves make this sweater versatile for both casual and business occasions, while the open design adds a touch of bohemian artistry. This sweater is machine washable and fits comfortably in a relaxed style. It is perfect for travel, parties, or everyday wear. The long sleeves and stretchy material make it suitable for winter, fall, and spring seasons. This cardigan is a unique piece that will add a touch of elegance to any wardrobe.