From flared and ruffled to silky and sheer, Beyond Proper™ by Boston Proper has you covered in long-sleeve dresses for women. Our collection of radiant long-sleeve dresses was designed to flatter your silhouette in both basic styles and distinctive statement pieces to update your wardrobe for the season. Created for compliments in the perfect lengths from mini to maxi, we have every style of long-sleeve dresses, from little black dresses and sleek charmeuse pieces to casual sweater dresses and bohemian styles.