Sweater dresses can be appropriate for formal events, provided they are styled with intention and an eye for detail. Look for fine knit dresses in luxe fibers such as cashmere or angora that lend an air of sophistication. Darker colors or neutral tones typically convey a more elevated feel. Enhancements like embellishments, lace trims, or subtle glinting threads can add a festive touch suitable for formal occasions.Complete the look with upscale accessories—think pearl earrings, a statement clutch, and elegant stiletto heels. A well-cut blazer or a faux fur wrap can offer additional elegance and warmth for cooler evenings. When styled correctly, a sweater dress can be both comfortable and chic, making it an excellent choice for formal events during the colder months.