The hero black dress style for winter is a knitted one, which this season comes in a wide variety of silhouettes. From micro jumper dresses to ribbed, figure-hugging styles, these wool and cashmere designs can be taken from the office to the cocktail party with just a few simple accessory switches. Thanks to their understated yet luxurious fabrication, knitted dress can look casual and cool when paired with trainers, or refined and polished with heels or tall boots.